Even before there were players clubs and slot cards, there were premiums for slot players. These two from Tahoe were apparently intended to be collected on a keychain or a big safety pin till you had enough for the kewpie doll you wanted. Dates to the 1940-50's era.

Material is plastic, silver and bronze. The silver one is catalog 789.0 in the Promo Token book. The bronze one is not listed. A pretty scarce pair of trinkets.