OPPELN, 1 Mark dark red-carmine, two vertical pairs, Steelworks and Dove of Peace 1920, on cover to Rome, redirected from there to Braghetto d'Adige (Trentino) / Italy, double-circle OPPELN 16 6 22 * * b (OS handbook No. 237.7), various transit and arrival marks on reverse, rare destination, two stamps extending beyond right edge of envelope.