Finland, 1944, Registered letter from HELSINKI 20.2.1944 sent to TJUDÖ (Åland). Transit Mariehamn 25.2 and arrival cds Tjudö 26.2. Basic inland letter rate 3 1/2 Mk, registration 2 1/2 Mk paid with 5 + 2 Mk. As the weight was more than 20 g postage due 2 1/2 Mk was attached and cancelled in the TJUDÖ post office. (Image1)