Early 20th C. Clay Pool Ball #15

I just can't get enough of these early clay billiard balls, and happily have been coming across them lately. To me they seem like perfect birthday gifts--though sadly only for people much younger than me! I really love how the black fifteen is actually inlaid as opposed to just colored, reminding me somehow of old New York subway tiles, black against white, marking the stop. Lovely.

Approx 2 1/4 inches diameter and in good condition with a few little spots of red.