prison mug / Reading Jail, 1916

Mug from Reading Jail, 1916 4.5 ins. high, without handle, waisted or with incurved sides and with raised rim of .5 ins. deep at top and bottom. Top diam. 4 ins. Bottom Diam. 4.7 ins. Stamped with the Broad Arrow within a band with the words PRISON COMMISSION around above. Stamped on bottom with crown over PC over O over O over Mintons trade mark LEADLESS/GLAZE. Mug is broken.;