The smaller one has convex bubble glass.  

Made by K&O Co., U.S.A.  Marked G. Silver.  (German Silver)

Measures: 4 1/4" x 3".

The larger frame is made by The 5th Street Store.

This has regular flat glass.

Made from some type of metal.

Measures: 5" x 3 5/8" (including feet).

These frames have not been cleaned or polished.