1837 - 2000 (approximate. ), interesting inventory with hundreds covers, cards and postal stationery, as well registered, censorship, army postal service, airmail, Catapult postal service, Zeppelin, good frankings like GB Michel-no. 1 and 1 P. And 2 P. Mulready covers, and so on, in four boxes, all properly in covers in DIN-A5 files.