Los-Nr. 891

25 c. blue, horizontal pair, tied by cds. "MONDORF LES BAINS 18/8 79" to double rate envelope via New York and Veracruz to Zacatécas, Mexico with transit marks on front and reverse. Seal on reverse removed, the stamps with slight creasing and light toning, the left stamp with small tear at bottom, still fine and very scarce, sign. Goebel and certificate Böttger BPP (2019)