This is the Scarce Artist Proof of the 2016 Pre-Fork Coin that contains Bitcoin Cash among others.
Bitcoin Chips are premium, durable bitcoin poker chips, which are 39 millimeters wide and weigh 13 grams each. The weight and careful crafting of the chips gives them a solid grip and sure feel in the hand.
Each 1K-bit chip has a serial number that begins with U, in this format (X is a digit): UXXXXX.
Diameter: 39 mm
Thickness: 3.30 mm
Weight: 13 grams
Material: Premium clay composite