Definitive series I. Watermark posthorn (Finland 1927)

13 September (Finland ) within release Definitive series II. Lion type, different designs m/30 goes into circulation Stamp Definitive series I. Watermark posthorn face value 1 Finnish markka

Stamp Definitive series I. Watermark posthorn in catalogues
Michel:	Mi:FI 131A

Stamp is square format.

Also in the issue Definitive series II. Lion type, different designs m/30:

• Stamp - Definitive series I. Watermark posthorn face value 1;
• Stamp - Definitive series I. Watermark posthorn face value 1;
• Stamp - Definitive series I. Watermark posthorn face value 3;