Sweden. Facit 18, 32a cover , 4 öre perf 14 in pair as additional franking on attractive re-directed cover (studsbrev) with 12 öre perf 13, originally sent from UPPSALA 11.9.1877 to Lund with 12 öre, from there re-directed to Germany with the 4 öre pair added to pay the 20 öre foreign rate, these tied by LUND 12.9.1877, with arrival marking on the reverse. 4 öre in shade b2 according to certificate Sjöman (copy), "very fine item". A unique exhibition item!