Lot no. 8128

1 mark yellowish-brown,  roulette III, in combination with 20 penni dark blue on lilac blue wove paper, roulette II, both in brilliant shades and with complete rouletting, each neatly tied by cds. "WIBORG 4 4 1871" to cover to St. Petersburg with arrival mark "24 MAR 1871" on reverse. A very rare and attractive envelope not from the usual Westenholz Brothers correspondence, certificate Salmenkylä and Tuori Provenance: “The Sibelius Collection” (Corinphila, 2003)