24 and 50 Pfg German-Polish friendship, both values complete on First Day Cover from" (10) ZITTAU 22.4.51" to Cleveland / USA addressed, in perfect condition, extremely rare First Day Cover and top piece for the large collection, photo expertize Paul BPP "the stamps are genuine and immaculate, the stamp impression genuine and date-appropriate. The envelope is in good total maintenance. There is First-Day-Cover (First Day Cover) before. ", Michel 2.400.-