3 1/8" X 3 3/8" (79mm X 85mm)

(dome top inkstamp)

                                 GELS BAVARIA

{Rosenthal}

Picture courtesy Bob Berry

3 1/8" X 3 5/8" (79mm X 90mm)

No Markings

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Picture courtesy Bob Berry

3 1/8" X 3 3/8" (79mm X 85mm)

(dome top inkstamp) RIG

.

{RIG}

.

Picture courtesy Bob Berry

3 1/8" X 3 3/8" (79mm X 85mm)

(dome top inkstamp) RIG

.

{RIG}

.

Picture courtesy Bob Berry