1921KÖSTÁRSASÁG / letter franked with. mixed franked. Hradčany stamp. 5h light green and Hungarian stamp. with overprint KÖSTÁRSASÁG Reaper 4f+5f+6f, Mi.225-227, CDS NEMSÓ 919 Feb.21., right franking 20h for I. postal rate; good condition, exp. by Karasek., interesting postal example of usage stmp of foreign state on/for our territory, ex Pour