PEKING: 1913 Romanov 20k postal stationery envelope registered to Germany, uprated with „KITAI“ 2k and 4k (2) paying double the 10k foreign rate plus reg’n fee, all cancelled by Peking 16.12.13 cds (T&S type 7B), reg’d label in Cyrillic with ms in English (complying with UPU regulations) adjacent, Berlin bs, a rare use of the Romanov stationery as ordinary Russian stamps and stationery wasn’t sold in the Russian P.O.s in China.