Historical information

The first Patent for these cups was granted on June 5th 1860 to Niles Gutta Purcha Drinking cups.
A later Patent was granted to Fred Harvey in 1897.
Perhaps they were in different states, or Fred Harvey's had an inovation that improved the design or usage ?

Physical description

Aluminium drinking cup, collapsable with a seperate lid. The lid has a pressed star shape.

Inscriptions & markings

Pressed star motif on lid