Patent Anniversary Insulator Two
By Jim Colburn; posted December 19, 2019
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Probably my favorite glass pin type in my collection. CD 132 EIN 030 in purple. Embossed with Hemingray's Dec 19 1871 patent date. |
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Probably my favorite glass pin type in my collection. CD 132 EIN 030 in purple. Embossed with Hemingray's Dec 19 1871 patent date. |