Postage due (São Tomé and Príncipe 1921)

01 January (São Tomé and Príncipe ) within release Postage Due goes into circulation Stamp Postage due face value 50 São Tomé and Príncipe centavo

Stamp Postage due in catalogues
Michel:	Mi:ST P41
Stamp Number:	Sn:ST J51
Yvert et Tellier:	Yt:ST T51
Afinsa-Mundifil:	Afi:ST P51

Stamp is square format.

Also in the issue Postage Due:

• Stamp - Numbers face value ½;
• Stamp - Postage due face value 10;
• Stamp - Postage due face value 13;
• Stamp - Postage due face value 20;
• Stamp - Postage due face value 50;