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#322 EC&M Co. Dark cobalt blue. 
- Sold Winning Bid: $2,900.00
- 9 Bid(s) View Bid History
- Lot # 322
- System ID # 231127
- End Date
- Start Date
#322 CD 123 EC&M CO S.F. Dark cobalt blue. "A" mold with 4-3/8" height.
This flared skirt mould variant with rounded dome has been designated as mold type “A.” Both the flared skirt variants "A" and "F" were placed in service during the early years of EC&M production. The Electrical Construction & Maintenance Company was formed in late 1870, and production of the embossed “A” mold EC&M’s likely commenced shortly thereafter. Cobalt blue examples were used in several different locations, most surfacing in California and Nevada.
Perhaps one or more glass houses producing blue soda bottles in the 1870's in the San Francisco Bay area might have used the same glass batches to manufacture insulators.
Attractive surface creases and rippled pattern on the glass surface.
A little shallow flaking at the base edge, and one flat base chip, as seen to the left in the front view photo. Pretty nice shape for an EC&M!
Dick Bowman collection.