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#2506 CD 257 HEMINGRAY Green, aqua & olive amber impurities 
- Sold Winning Bid: $500.00
- 21 Bid(s) View Bid History
- Lot # 2506
- System ID # 587517
- End Date
- Start Date
#2506 CD 257 HEMINGRAY PATENT JUNE 17 1890 MAY 2 1893 Green and aqua with olive amber impurities.
The various designs of Hemingray insulators are often different from what other manufacturers produced. Numerous other glass houses produced a standard "saddle groove" insulator for high voltage, most manufacturing the CD 258 though 260 "helmet" designs, whereas Hemingray created a completely differing design, the CD 257 "Mickey Mouse" type.
Typically found in aqua and Hemingray blue, the "green mix" units are scarcer, and in high demand by collectors.
Excellent color separation in the ears.
Match head mark on the center wire ridge. Two drip points only partially flaked to the inside. Consider it to easily grade very near mint.