The envelope is a stamp nationwide mail.Ri.01.12.1848.Series "Standard Issue".10 (+1) cop.Michel No. U1 (wax seal, black, waterm...

The envelope is a stamp nationwide mail.Ri.01.12.1848.Series "Standard Issue".10 (+1) cop.Michel No. U1 (wax seal, black, watermark in the mirror image).Convertible paper with V.Z.(rough, yellowish-white), hungry embossing (black-gray), manuscript.137x108.- -.-GKP-36110..Electronic copy source: PB