50 Pfg. on 5 M. in the horizontal gutter pair with overprint types combination "Ia / Z / IVa" and an additional adhesive stamp left with overprint type "Ia" on postage exceeding tariff rate R local letter from Opole 20. 3. 20, cover with small restrictions, stamps perfect perfect with photo certificate Gruber BPP: ". . . Genuine and in perfect quality", so far lots used without valuation, Michel for mint never hinged 2,500.-