1 medium size dice under glass drum shaped stud button.
Here is a cool stud button for those stud/cufflink as well as gambling memorabilia collectors. Shake the button to change the numbers on the tiny dice. Button Collector

Issued: DIVISION 1=PRE 1918 AND DIVISION 3 IS AFTER 1918
Dimensions: SM=Less than 3/4", Medium=3/4" to 1 1/4". Large=1 1/4" and above, extra large=1 3/4" and above

Unless otherwise noted we find no significant condition concerns except for normal age related wear for the age of these items.