Los-Nr. 525

1860, 10 kopeks carmine on rose, roulette B, horizontal pair, used on envelope from Helsingfors (August 10, 1865) to Upsala, Sweden with Stockholm transit mark (AUG 15) on reverse. The pair with 2 short tooth tips and the cover slightly pressed in the margins only. A very attractive and scarce cover. Certificates Jussi Tuori (2003) and Schwenson BPP (2018) (Facit 4C2a)