Design ID | Primary EmbossingThe Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.") Insulators with No Name or No Embossing are denoted as such. |
EINThe Embossing Index Number (EIN) is a unique number assigned by the collecting hobby to each distinct embossing for an insulator design. It is normally shown in brackets, e.g. [050]. |
EmbossingMost common terms: (F-Skirt): Front Skirt (R-Skirt): Rear Skirt /: New line of embossing {}: Special note (not embossed on the insulator) [#]: Represents a number Other terms: {MLOB}: Mold Line Over Base (F-Crown): Front Crown (R-Crown): Rear Crown (F-Umbrella): Front Umbrella (R-Umbrella): Rear Umbrella |
BaseThe base is the bottom of the insulator. Hemingray made 4 different types of bases: 1. SDP: Sharp Drip Points 2. RDP: Round Drip Points 3. CB: Corrugated Base 4. SB: Smooth Base ![]() |
Year AddedThis is the year that this embossing was officially recognized and added to the McDougald (1991-2008) or Briel (2011-present) insulator price guides. It is not necessarily the year this embossing was discovered. |
Photo | Status✓ = In my collection If the value in this column says WANTED, then that specific insulator is on my wanted list! If you have that insulator and would like to sell it, click on the WANTED link to submit photos and contact me. |
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CD 100.2 | SURGE | [020] | (F-Skirt) SURGE (R-Skirt) BABSON BROS.CO. {1/2" pinhole} | RDP | 2019 | No Photo | WANTED ($1000 Reward) |
CD 102.1 | HEMINGRAY | [020] | (F-Skirt) HEMINGRAY / №14 {'o' is solid} {Previously CD 102} | SB | 2019 | No Photo | - |
CD 106 | HEMINGRAY | [035] | (Dome) [Solid raised circle] (F-Skirt) HEMINGRAY/№ 9 (R-Skirt) PATENT/MAY 2 1893 | SDP | 2019 | No Photo | - |
CD 106 | HEMINGRAY | [085] | (F-Skirt) HEMINGRAY (R-Skirt) MADE IN U.S.A. | RDP | 2019 | No Photo | - |
CD 106 | HEMINGRAY | [105] | (F-Skirt) HEMINGRAY (R-Skirt) № 9 (R-Skirt inside) [Vertical bar] | SDP | 2019 | No Photo | - |
CD 106 | HEMINGRAY | [142] | (F-Skirt) HEMINGRAY-9 {'GRA'/'RAY'} (R-Skirt) MADE IN U.S.A./[# and dots] | RDP | 2019 | No Photo | ✓ |
CD 106 | HEMINGRAY | [225] | (F-Skirt) HEMINGRAY/MADE IN U.S.A. {Missing left leg of 'M'} (R-Skirt) № 9 | SDP | 2019 | No Photo | - |
CD 106 | HEMINGRAY | [254] | (F-Skirt) HEMINGRAY/Nº 9 {No line under 'º' and '9' looks like an upside down 'G'} (R-Skirt) PATENT/MAY 2 1893 Note: This embossing was added in 2019 and removed from the 2023 price guide as it was consolidated with the [253] embossing. |
SDP | 2019 | No Photo | - |
CD 106 | HEMINGRAY | [257] | (F-Skirt) HEMINGRAY {'HE'/'PA'}/№9 (R-Skirt) PATENT/MAY 2 1893 | SDP | 2019 | No Photo | ✓ |
CD 106 | HEMINGRAY | [285] | (F-Skirt) HEMINGRAY/№ 9 (R-Skirt) PATENT {Missing left leg of 'N'}/MAY 2 1893 | SDP | 2019 | No Photo | - |
CD 113 | HEMINGRAY | [065] | (F-Skirt) HEMINGRAY-12 (R-Skirt) MADE IN U.S.A. {'N' is engraved over a sideways 'N'} | RDP | 2019 | No Photo | ✓ |
CD 113 | HEMINGRAY | [075] | (F-Skirt) HEMINGRAY-12 {'H'/'E'} (R-Skirt) MADE IN U.S.A. | RDP | 2019 | No Photo | ✓ |
CD 113 | HEMINGRAY | [112] | (F-Skirt) HEMINGRAY/HE № 12 {Note extra 'HE'} /['№' over upside down '№'] (R-Skirt) PATENT/MAY 2 1893 | SDP | 2019 | No Photo | - |
CD 115 | HEMINGRAY | [042] | (F-Skirt) HEMINGRAY [Vertical bar on inside of front skirt] (R-Skirt) PATENTED/MAY 2 1893 | SDP | 2019 | No Photo | - |
CD 115 | HEMINGRAY | [062] | (F-Skirt) HEMINGRAY-10 (R-Skirt) MAD IN U.S.A. {Note spelling} | SDP | 2019 | No Photo | ✓ |
CD 115 | HEMINGRAY | [065] | (F-Skirt) HEMINGRAY-10 (R-Skirt) MADE IN U.S. {'A.' is missing} | SDP | 2019 | No Photo | WANTED ($75 Reward) |
CD 118 | NO EMBOSSING | [020] | [No embossing] {Outside of skirt is threaded -- without a copper sheath} {Hemingray product} | SB | 2019 | ![]() | ✓ |
CD 120 | PATENT - DEC. 19, 1871 | [012] | (Dome) [Circle] / C (F-Skirt) PATENT / DEC. 19. 1871 (R-Skirt) 5 Note: I discovered this embossing in 2013; first listed 2019. |
SB | 2019 | ![]() | ✓ |
CD 120 | PATENT - DEC. 19, 1871 | [017] | (Dome) A (F-Crown) PAT. DEC. 19. 1871 (R-Crown) 5 (R-Skirt) B Note: I discovered this embossing in 2012; first listed 2019. |
SB | 2019 | ![]() | ✓ |
CD 121 | HEMINGRAY | [091] | (F-Skirt) HEMINGRAY [Vertical bar on inside of front skirt] (R-Skirt) PATENT/MAY 2 1893 | SDP | 2019 | No Photo | - |
CD 121.4 | A.U. | [050] | (F-Crown) PATENT/DEC. 19. 1871 (F-Skirt) A.U. {Missing bar in 'A'} (R-Skirt) ['E'] | SB | 2019 | No Photo | WANTED ($50 Reward) |
CD 122 | HEMINGRAY | [042] | (F-Skirt) HEMINGRAY-16 {'A'/'Y'} (R-Skirt) MADE IN U.S.A. | SDP | 2019 | No Photo | - |
CD 122 | HEMINGRAY | [046] | (F-Skirt) HEMINGRAY-16 (R-Skirt) MADE IN U.S.A. {'S'/'S'} | RDP | 2019 | No Photo | - |
CD 124 | HEMINGRAY | [087] | (F-Skirt) HEMINGRAY/№ 4 (R-Skirt) PATENT/MAY 2 1893 {'9'/'6'} | SDP | 2019 | No Photo | ✓ |
CD 124 | PATENT - DEC. 19, 1871 | [015] | (Dome) A (F-Crown) PAT.DEC. 19. 1871 (F-Skirt) 4 (R-Skirt) A | SB | 2019 | No Photo | WANTED ($50 Reward) |
CD 125 | W.U. | [025] | (F-Skirt) W.U./5 (R-Skirt) PATENT/DEC. 19. 1871 {'DEC'/'PAT'} | SB | 2019 | No Photo | ✓ |
CD 125 | W.U. | [055] | (F-Skirt) W.U./5/PATENT/MAY 2 1893 (R-Skirt) PATENT/DEC. 19. 1871 {Wide dome} | SDP | 2019 | No Photo | WANTED ($250 Reward) |
CD 126.4 | W.E.MFG.CO. | [080] | (F-Crown) W.E.MFG.OC. {Note spelling} (F-Skirt) PATENT/DEC. 19. 1871 (R-Crown) W.U. (R-Skirt) J | SB | 2019 | No Photo | ✓ |
CD 128 | HEMINGRAY | [015] | (F-Skirt) HEMINGRAY_CS / ![]() |
SB | 2019 | No Photo | WANTED ($500 Reward) |
CD 128 | HEMINGRAY | [042] | (F-Skirt) HEMINGRAY/[# and dots] (R-Skirt) C S A {No periods} | SB | 2019 | No Photo | ✓ |
CD 128 | HEMINGRAY | [075] | (F-Skirt) [Vertical bar]/HEMINGRAY/[#] (R-Skirt) [Vertical bar]/C.S.O. {A square top brass bushing molded into the pinhole} | SB | 2019 | No Photo | ✓ |
CD 132 | PATENT - DEC. 19, 1871 | [009] | (F-Crown) PAT.DEC.19.1871 (R-Crown) 2 (R-Skirt) B | SB | 2019 | No Photo | WANTED ($50 Reward) |
CD 132 | PATENT - DEC. 19, 1871 | [035] | (F-Crown) PATENT/DEC. 19. 1871 (R-Crown) 2 {MLOB} | SB | 2019 | No Photo | ✓ |
CD 133.4 | PATENT - DEC. 19, 1871 | [050] | (F-Crown) PATENT/DEC. 19. 1871 {Missing middle bar in 'E'} (R-Crown) 3 | SB | 2019 | No Photo | WANTED ($40 Reward) |
CD 142 | HEMINGRAY | [010] | (F-Skirt) [# and dots]/HEMINGRAY (R-Skirt) W.U.T.CO./TS-2 {Inside of skirt is threaded} Note: This EIN was reused in the 2019 price guide; not to be confused with the original EIN [010] which was removed in the 2003 price guide. |
RDP | 2019 | No Photo | - |
CD 142.4 | NO EMBOSSING | [005] | [No embossing] {Hemingray product} | RDP | 2019 | No Photo | - |
CD 142.4 | NO NAME | [005] | (F-Skirt) TS 3 {Backwards 'S'} {Hemingray product} | RDP | 2019 | No Photo | - |
CD 145 | H.G.CO. | [042] | (Dome) H (F-Skirt) ['[Vertical bar]' blotted out]/H.G.CO. | SB | 2019 | No Photo | - |
CD 145 | H.G.CO. | [047] | (Dome) [Letter] (F-Skirt) H G CO {No periods} (R-Skirt) PETTICOAI/[Letter] {Note spelling} | SB | 2019 | No Photo | - |
CD 145 | H.G.CO. | [048] | (Dome) [Letter] (F-Skirt) H G CO {No periods} (R-Skirt) PLTTICOAI/[Letter] {Note spelling} | SB | 2019 | No Photo | WANTED ($50 Reward) |
CD 145 | HEMINGRAY | [005] | (Dome) H (F-Skirt) HEMINGRAY (R-Skirt) ['H.G.CO.' blotted out] | SB | 2019 | No Photo | ✓ |
CD 145 | HEMINGRAY | [086] | (F-Skirt) HEMINGRAY-21 {'NGRA'/'GRAY'} (R-Skirt) MADE IN U.S.A. Note: The embossing was originally "HEMIGRAY", but they corrected it. |
RDP | 2019 | No Photo | ✓ |
CD 145 | HEMINGRAY | [088] | (F-Skirt) HEMINGRAY-21 (R-Skirt) MADE IN U.S.A. {'A'/'S' in 'U.S.A.'} | SDP | 2019 | No Photo | ✓ |
CD 147 | HEMINGRAY | [016] | (F-Skirt) HEMINGRAY (R-Skirt) PATENTED OCT. 8 1907. {'C'/'G'} | SB | 2019 | No Photo | ✓ |
CD 151 | H.G.CO. | [075] | (F-Skirt) H.G.CO. [Blotout under 'H.G.CO.'] (R-Skirt) PETTICOAT | SB | 2019 | No Photo | - |
CD 152 | HEMINGRAY | [082] | (F-Skirt) HEMINGRAY/№ [Backwards '40'] 40 {A faint [Backwards 40] between '№' and '40'} (R-Skirt) PATENTED/MAY 2 1893 | SDP | 2019 | No Photo | - |
CD 154 | HEMINGRAY | [075] | (F-Skirt) HEMINGRAY-42 {'NG'/'GR'} (R-Skirt) MADE IN U.S.A. | RDP | 2019 | No Photo | ✓ |
CD 154 | HEMINGRAY | [148] | (F-Skirt) HEMINGRAY-42 {'2' is backwards and double-struck} (R-Skirt) MADE IN U.S.A. | RDP | 2019 | No Photo | - |
CD 155 | HEMINGRAY | [005] | (F-Skirt) HEMINGRAY 45 {No '-' nor space for it} (R-Skirt) MADE IN U.S.A./[# and dots] | SB | 2019 | No Photo | - |
CD 155 | HEMINGRAY | [046] | (F-Skirt) HEMINGRAY-45 (R-Skirt) MADE IN O.S.A./[# and dots] {'O' instead of 'U' in 'U.S.A.'} | CB | 2019 | No Photo | - |
CD 163 | HEMINGRAY | [020] | (F-Skirt) HEMINGRAY-19 (R-Skirt) MADE IN U.S.A./[# and dots] Note: There is at least one specimen known with a date code of 1948 (see photo). This is an oddity, since Hemingray stopped making insulators with SDP (Sharp Drip Points) nearly 30 years earlier in the 1920s. |
SDP | 2019 | No Photo | - |
CD 164 | HEMINGRAY | [066] | (F-Skirt) HEMINGRAY – 20 (R-Skirt) MADE IN U.S.A. {Note both 'E's are missing middle bar} Note: I discovered this embossing in 2007; first listed in 2019 price guide. |
SB | 2019 | No Photo | ✓ |
CD 168 | HEMINGRAY | [057] | (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-510 {A square top brass bushing molded into the pinhole} | SB | 2019 | No Photo | - |
CD 168 | HEMINGRAY | [091] | (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) REG. U.S. PAT. OFF./LOWEX/D-510 | CB | 2019 | No Photo | - |
CD 168 | HEMINGRAY | [111] | (F-Skirt) [# and dots]/HEMINGRAY/MADE IN U.S.A. {Missing bar in 'A' of 'MADE'} (R-Skirt) [#]/D-510 | SB | 2019 | No Photo | - |
CD 183 | HEMINGRAY | [080] | (F-Skirt) HEMINGRAY-71/['LOWEX' blotted out] (R-Skirt) MADE IN U.S.A./[# and dots] | SB | 2019 | No Photo | ✓ |
CD 196 | H.G.CO. | [045] | (F-Skirt) № 51 {'N'/'[Backwards N]' and '1'/'[Backwards N]'}/H.G.CO. (R-Skirt) PAT.MAY 2 1893 {'3'/'3'} | SDP | 2019 | No Photo | ✓ |
CD 202 | HEMINGRAY | [004] | (F-Skirt) HEMINGRAY 53/MADE IN U.S.A./[Blot out] (R-Skirt) PATENTED/MAY 2 1893 Note: My specimen has "№53" blotted out. |
SDP | 2019 | No Photo | ✓ |
CD 238.1 | HEMINGRAY | [030] | (F-Skirt) [#]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) [#]/D-514 {A square top brass bushing molded into the pinhole} Note: Mine has a mold number "5" on the rear skirt. |
SB | 2019 | No Photo | ✓ |
CD 251 | HEMINGRAY | [035] | (F-Skirt) HEMINGRAY-61 (R-Skirt) MADE IN U.S.A./[# and dots] | RDP | 2019 | No Photo | ✓ |
CD 251 | HEMINGRAY | [055] | (F-Skirt) HEMINGRAY-61/[# and dots] (R-Skirt) MADE IN U.S.A./[#] | CB | 2019 | No Photo | - |
CD 251 | HEMINGRAY | [062] | (F-Skirt) HEMINGRAY-61/[# blotted out] (R-Skirt) MADE IN U.S.A./[# and dots] | CB | 2019 | No Photo | ✓ |
CD 252 | HEMINGRAY | [086] | (F-Skirt) HEMINGRAY-62/[#] (R-Skirt) MADE IN U.S.A. | SB | 2019 | No Photo | WANTED ($30 Reward) |
CD 252 | HEMINGRAY | [277] | (F-Skirt) S/HEMINGRAY - 62/[# and dots] (R-Skirt) MADE IN U.S.A./[#] | SB | 2019 | No Photo | ✓ |
CD 257 | HEMINGRAY | [215] | (F-Skirt) MADE IN U.S.A. / HEMINGRAY / №60 (R-Skirt) PATENT / JUNE 17 1890 MAY 2 1893 | SDP | 2019 | No Photo | ✓ |
CD 257 | HEMINGRAY | [245] | (F-Skirt) № 60-A/HEMINGRAY (R-Skirt) MADE IN U.S.A./['PATENT' blotted out]/JUNE 17 1893 MAY 2 1893 {Note 'JUNE 17 1893' date} {Wide saddle groove} | SDP | 2019 | No Photo | ✓ |
CD 1030 | NO EMBOSSING | [005] | [No embossing] {Double hex nut in base; round hole} {Hemingray product} | SB | 2019 | No Photo | MOST WANTED ($800 Reward) |
CD 1032 | OWENS-ILLINOIS | [020] | (F-Skirt) ![]() |
SB | 2019 | No Photo | ✓ |
CD 1052 | NO NAME | [015] | (F-Below wire groove) D_518.4 (R-Below wire groove) MADE IN U.S.A. {'N'/'4'} {Hemingray product} Note: More mold numbers have been found with this embossing; this will be corrected in a future edition of the price guide. |
SB | 2019 | No Photo | ✓ |
CD 1058 | NO EMBOSSING | [010] | [No Embossing] | SB | 2019 | No Photo | MOST WANTED ($500 Reward) |
CD 1070 | HEMINGRAY | [025] | (F-Umbrella) HEMINGRAY-109 / [#] (R-Umbrella) MADE IN U.S.A. | SB | 2019 | No Photo | ✓ |
CD 1070 | NO EMBOSSING | [010] | [No Embossing] | SB | 2019 | No Photo | WANTED ($100 Reward) |
CD 1085 | E.S.G.CO. | [020] | (Inside of base) THE E.S.G./& CO. {May vary substantially in height} {Previously listed as CD 1080} Note: This embossing was moved to CD 1085 in the 2019 price guide, and the embossing was corrected to add "THE" and a line break "/". |
SB | 2019 | No Photo | ✓ |
CD 1085 | S.B.T.&T.CO. | [015] | (F-Below wire groove) S.B.T.& T.C {No 'o.' after 'C'} {Wire groove is smaller and higher up} {May vary substantially in height} | SB | 2019 | No Photo | WANTED ($100 Reward) |