This piece of round chalk is probably from the 1940s.  

I've taken multiple photos so you can see the condition of the label all around the chalk.  The chalk is double sided and has seen no use.

Be sure to check out my other listings, for more rare billiard items, including items from the Brunswick Balke Collender Company.

If you have questions, please email or call 402-730-2315 before you buy.