Vintage Hard Rubber Bowling Ball by Brunswick - $75 (Endicott)
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Squires near Summit
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* Brand (Ebonite): Ebonite is one of the most famous names in bowling. This ball is likely made of hard rubber, which was the standard material for bowling balls from the early 1900s through the 1970s.
* Bates Grip (Pat. 1,927,654): This refers to a specific patent for the drilling or "grip" of the ball. The patent number dates back to the 1930s, indicating this is a significant vintage item.
* Curval (Pat. 1,852,714): This is another patent marking, likely related to the curvature or balance of the ball's core or exterior.
* Serial Number (T38786): This unique identifier was used by the manufacturer for quality control and registration.