55 öre

International registered letter < 20 gr.

Postage rate 30 öre and registered letter fee 25 öre

Registered mail label type 5:1, a Swedish currency control label (back), Czech customs label

(front), imprint duty-free and a censor’s strip (right)

Arrival postmark: Praha 14/04/50

01/04/48 - 31/05/51