The float is made of hand blown glass. It has a very good D G makers mark on its pontil (see photos). This is a Japanese fishing float was actually
1940s FF Hokuyo Green Japanese Glass Fishing Float Marked With
Vintage Japanese GLASS FISHING FLOAT.. Rare d G Makers Mark 67
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Antique Glass Floats – AK Starfish Co.
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Vintage Japanese GLASS FISHING FLOAT Hand Blown Into Mold.. Number 2 Patch Mark 49
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