3 1/8" X 3 3/8" (77mm X 83mm)

 (skirt inkstamp)

{Sociedade de Porcelanas}

Picture courtesy Bob Berry

3 1/8" X 3 3/8" (77mm X 83mm)

 (skirt inkstamp)

{Vista Alegre}

Picture courtesy Bob Berry

3 1/8" X 3 3/8" (77mm X 83mm)

 (ear inkstamp)

{Cerisol}

Picture courtesy Bob Berry