Lot 423
1 c. brown and 1875, 2 c. black in vertical pair, tied by cds. "ETTELBRÜCK 9/2 (77)" to postcard 5 c. grey to Belgium, showing on front clear "LUXEMBOURG PAR AMT. BRUX-ARL."; 1 c. upper right corner added, one 2 c. small perforation faults and tiny bend; scarce and attractive, certificate Böttger BPP
