6" Glass Fishing Float  Rare Pittsburgh Corning Large WWII Era. See  Pictures for details.  Lot # 2.  I have  another identical float listed.

Found on the Oregon coast.

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Pittsburgh Corning developed a 6" float, which consists of 2 fused halves.  This was done by a machine & was 3 times more expensive than the more common American-made floats.  There were only a few hundred of these produced.  They were used for the soupfin shark fishery of World War II.

20.00 USPS Priority  Shipping.