Hemingray Insulator Profile: CD 120  
This is an early pony style produced by Hemingray. Presumably this style was discontinued around the time that the popular Hemingray No.9 (CD 106) debuted, as the designs are fairly similar. 

Dimensions: 3 3/8" H x 2 3/8" W
Primary
Embossing:
PATENT - DEC. 19, 1871
Years Produced:
c.1870s-c.1890s
Style Number:5
Rarity Scale (1-10): Fairly Common (4)
Mold Variation Collapse

Square Top Variant

Some of the CD 120s with sharp drip points and the May 2 1893 patent date have a squared top and a slightly flared skirt, pictured at left.

Known Embossings (14) Collapse
 
PATENT - DEC. 19, 1871 Unlisted (Dome) A (F-Crown) PAT. DEC. 19. 1871 (R-Crown) 5 (R-Skirt) B
Note: This is the only CD 120 I've seen with both a dome letter and a skirt letter (and both different at that!)
SB Photo
PATENT - DEC. 19, 1871 Unlisted (Dome) [Circle] / C (F-Skirt) PATENT / DEC. 19. 1871 (R-Skirt) 5
Note: Has a distinct circle embossed in center of dome, and a "C" embossed below it.
SB Photo
PATENT - DEC. 19, 1871 [005] (Dome) [Solid circle] (F-Skirt) PATENT DEC.19.1871 (R-Skirt) 5 SB Photo
PATENT - DEC. 19, 1871 [010] (Dome) [Solid circle] (F-Skirt) PATENT/DEC.19.1871 (R-Skirt) 5/PATENT MAY 2 1893 SDP Photo
PATENT - DEC. 19, 1871 [015] (Dome) [Letter] (F-Skirt) PATENT / DEC. 19 1871 (R-Skirt) 5 SB Photo
PATENT - DEC. 19, 1871 [020] (F-Crown) PAT.DEC.19.1871 (F-Skirt) ['A', 'C', 'D', 'E' or 'F'] (R-Crown) 5
Note: In 2015, 'F' was added as a possible mold letter to this embossing.
SB Photo
PATENT - DEC. 19, 1871 [025] (F-Crown) PAT.DEC.19.1871 (F-Skirt) ['D' or 'H'] (R-Crown) 5 {MLOB} SB Photo
PATENT - DEC. 19, 1871 [030] (F-Crown) PAT.DEC.19.1871 (R-Crown) 5 SB Photo
PATENT - DEC. 19, 1871 [040] (F-Crown) PAT.DEC.19.1871 (R-Crown) 5 (R-Skirt) ['A' or 'B'] SB Photo
PATENT - DEC. 19, 1871 [045] (F-Crown) PAT.DEC.19.1871 (R-Crown) 5 (R-Skirt) ['B' or 'D'] {MLOB} SB Photo
PATENT - DEC. 19, 1871 [050] (F-Crown) PATENT/DEC.19.1871 (R-Crown) 5 (R-Skirt) B {MLOB} SB Photo
PATENT - DEC. 19, 1871 [060] (F-Skirt) PATENT/DEC.19.1871 (R-Skirt) 5 SB Photo
PATENT - DEC. 19, 1871 [070] (F-Skirt) PATENT/DEC.19.1871 (R-Skirt) 5/PATENT MAY 2 1893 SDP Photo
PATENT - DEC. 19, 1871 [080] (F-Skirt) PATENT/DEC.19.1871 (R-Skirt) 5/['A' or 'B'] SB Photo

The following embossings were removed from the price guide because they could not be verified to exist:

Unverified Embossings
Year Removed





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