1920 - 1939, unused / mint never hinged and (predominantly) cancelled specialized collection, in the number of a major listing except for the \"large indoor service\" complete, with a large number at better issues right up to Michel no. 2 a, 36 a, 38 an and 219 c, in addition to it service with among others D24 Y, D25 b, postage and port Gdansk, as well colour shades, plate flaw and watermark varieties, many expertized with 7 short attests, high-value and interesting collection in the illustrated album