1914 - 1923, unused / mint never hinged and cancelled, double led, specialized collection, with lots of better values right up to Belgium Michel no. 24 IA corner of the sheet used expertized Hey BPP, 24 IB unused and used always expertized BPP, upper east 12 An unused and used always expertized Hey BPP, Romania 1/3 F mint never hinged with photo certificate Hey BPP, Marienwerder 20 unused and used always expertized, Schleswig 27 b mint never hinged and used always expertized Gruber BPP as well 28 b mint never hinged and used always expertized BPP, often to colours and types differentiates collected, many expertized, extensive and high-value collection neatly sorted in 2 stockbooks