A version of the Ten Billion Barrel of smaller size and unknown origin.

• Inventor: Gunpei Yokoi
• Mechanism: Intersecting rings and plungers (Ten Billion Barrel)
• Patents: US4376537, D267661
• Producer: Unknown
• Year: Unknown
• Original Price: $0.00 USD
• Current Price: No Data

So far nothing is known about this special version of the Ten Billion Barrel. There are no inscriptions which might help somehow.
Height: 62 mm
Diameter: 44 mm

Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann, Lawrence Cuthbert.

This puzzle can be found in collections of these members:

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