Description: Very interesting business stationery sent from Ogulin to Zagreb 04.01. 1943. Sender Josip Čadeža, the owner of a steam sawmill and mill from Ravna Gora. Stationery franked with NDH stamp from series Landscape 3 kn. Sender informs Ivan Hartl from Zagreb that he cannot fulfill order, because the whole area is occupied by partisans and warehouse is blocked and serves the needs of army and population. As proof of that imprinted are cancels of ' I bataljona 6. brigade Marko Trbović' and '5 operativne zone partizanske vojske'. Ravna Gora is occupied by 6st and 14th brigade of 5th operative zone, and stay there for almost a month. Remarkable historical and philatelistic document in excellent quality. Guarantee of the auction.