Here is the updated PY Product Advertising chip section. Nothing past 1946 please but there are a few chip examples that have been included here that are past the 1946 cut off date. Thanks & again, please give time for the link to load.
http://www.antiquepokerchips.com/Products.pdf
NOTE: A scan of the PY-BV BROOKS CLOTHES chip example has been donated & will be added soon.
