Opened letter, likely containing a printed message, sent from Copenhagen December 1942 to Upsala, Sweden. Christmas Seal 1942 (Princess Margrethe of Denmark) with 20 øre caravel issue paying the 20 øre Nordic rate. Censored and stamped red censor mark 'Post- og Telegravæsenet / [Crown] / i Danmark' and 'Fra Udlandspostkontrollen / Retur Afsenderen' with message inside underlined 'Tryksager..... (kan kun sendes i Forretningsøjemed', a rare printed message from Udlandspostkontrollen, formular 'Udlpktr. 16 (1-42)'.