Sweden. Facit 21a on cover, 12 öre greyish blue. 4×12 öre on 4-fold cover sent from NEDERKALIX 4.9.1872 to STOCKHOLM 5.TUR 11.9. Small imperfections. Very scarce – the combination is not recorded in Facit.
25 % köparprovision plus 20 SEK slagavgift tillkommer
