and "No Stamps available", showing F.P.O. double-ring d.s. partly obscured by 2½d. which was applied and cancelled in London (31.3); small faults " /> cover 1900 (Mar.) Canadian Contingent Y.M.C.A. envelope to Germany, marked<I> "On Active Service, RCR, 7606"</I> and<I> "No Stamps available"</I>, showing F.P.O. double-ring d.s. partly obscured by 2½d. which was applied and cancelled in London (31.3); small faults | Christie's