Los 873
10 c. black, horizontal strip of 3 and single stamp, all in fresh colour and with ample to large margins, tied to entire letter with adjacent cds. "LUXEMBOURG 11 MARS 56" to the French economist and art historian Natalis Rondot with contents about the international exposition in 1855. A fine and scarce letter to abroad. Sign. Balasse and certificates Demuth BPP (1985) and Böttger BPP (2019)
Provenance: G.H. Houser (Siegel 2014)
