4 Antique Oklahoma State Penitentiary Mug Shot Crime Prison Cards.

Earliest is from 1929, last is from 1939.

The institution was the OSP located in McAlester, Oklahoma.

On one side prisoner stats are given, on the other side are their fingerprints and signatures, and alias' used if any.  Cards measure 8" x 8" (20 cm x 20 cm), 2 have corners missing, one has a coffee ring