Los-Nr. 543

12½ c. rose and 25 c. light blue with 1875/79, 10 c. grey in horizontal pair, all with blue cds. "ETTELBRUCK 14 OCT. 75" on registered cover endorsed "via  Bremen" to St. Paul, Minnesota, USA with large part of transit-register label "Vom Ausland über Bahnpost 12 (Luxemburg-Metz)" (part removed to show the franking); on front red "NEW YORK REGISTERED OCT 30"; the cover is franked with the pre-UPU rate of 57½ c., valid from July 1 was the 50 c. rate; 2 stamps with minor faults; an attractive and rare transatlantic cover, certificate Böttger BPP (2016)