I have two of these encased advertising dice key chains or if anyone is interested. Probably 1960s vintage. Plastic, about 2 7/8” long and ½” diameter. The cap is threaded onto the dice tube, and the five tiny dice are removeable. Printed in red on the tube is…

These things are pretty neat. Condition is excellent. (My scanning techniques are lousy.) for $15 each, delivered in the USA. Or, for single letter inlaid monogram chips, older product advertising chips, chips from San Francisco, or encased pennies (or other coins) from Nevada’s casinos.