1923, 15 Tsd. On 40 M. black green with plate flaw of the overprint "d from thousand above broken" in the vertical block of twelve with normal stamps and 11 further stamps of the same issue (3 stamps strong defects, already before the affix) with addition 5 Tsd. M. reverse on correctly franked bank cover the second weight step from "Swinemünde 24. 9. 23" to Berlin, variety, in perfect condition, signed Infla and amongst other things Tworek BPP, Michel (for single stamps) 500,