3 1/4" X 5" (82mm X 127mm)

No markings

Picture courtesy Bob Scafe

3 1/4" X 5" (82mm X 127mm)

No markings

Picture courtesy Bob Scafe

3 1/4" X 5" (82mm X 127mm)

No markings

Picture courtesy Bob Scafe

3 1/4" X 5" (82mm X 127mm)

No markings

Picture courtesy Bob Scafe

3 3/8" X 5 1/8" (85mm X 130mm)

(skirt ink stamp) 46

Picture courtesy David Kresz