52nd Auction - All World stamps & covers - Day 3

Großbritannien - Feldpost: 1919 Postal stationery registered envelope KGV. 2d. used by the British A
1919 Postal stationery registered envelope KGV. 2d. used by the British Army of the Rhine to Switzerland via London, cancelled by "ARMY POST OFFICE G.R./20 OC/19" double circle datestamp, framed "M.H.S. ACCOUNTANTS/British Army of the Rhine" h/s and London oval datestamp in red alongside, Basel '25.X.19' arrival c.d.s. on the reverse, fine.