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#3356 CD 123 E.C&M CO. S.F. Large carbon bubble. 
- Sold Winning Bid: $475.00
- 8 Bid(s) View Bid History
- Lot # 3356
- System ID # 733181
- End Date
- Start Date
#3356 CD 123 E.C&M CO. S.F. Dark teal toned aqua.
"B" mold variant with 4-1.8" height.
Impressive, large bubble in the skirt is 1-1/4" in length. Dark, carbon particles are enclosed inside, with a "comet tail" containing more carbon, positioned above and to the left.
Produced in the 1870's for the Electrical Construction & Maintenance Company, which operated a telegraph supply house in San Francisco, California.
Clean, slice type chip at the base corner, below the bubble (see photo). Another very shallow base chip does not elevate above the base corner. Overall, pretty nice for an EC&M.