group of miscellaneous original c. 1920-30 american vintage industrial solid steel fraternal or school class ring stamping dies fabricated by or for j.o. pollack & co., chicago, il. the dies were salvaged from their factory complex during a asset liquidation sale held several years ago. over 8,000 stamping dies were purchased by urban remains. the diminutive steel dies have a nicely worn surface patina from years of handling. priced for the lot. pollack and company were known for their college and fraternity jewelry fabricated in a wide range of metals.