Nobel Prize diploma (Poland 1967)

01 August (Poland ) within release Marie Sklodowska Curie (1867-1934) goes into circulation Stamp Nobel Prize diploma face value 60 Polish grosz

Stamp Nobel Prize diploma in catalogues
Michel:	Mi:PL 1778
Stamp Number:	Sn:PL 1520
Yvert et Tellier:	Yt:PL 1635

Stamp is square format.

Also in the issue Marie Sklodowska Curie (1867-1934):

• Stamp - Marie Curie face value 60;
• Stamp - Nobel Prize diploma face value 60;
• Stamp - Curie statute, Warsaw face value 60;