cover SHENG WAN: 1927 (20 Oct.) K.G.V 10c. registered envelope (light creasing) to Huddersfield with additional 4c. cancelled by superb strikes of type J c.d.s. (Proud D17) with a fine strike of the rare, boxed "HONG KONG.W.B." handstamp (43x15mm) and "A.R." showing partial serifs (first type, not listed by Proud) alongside with additional manuscript "A.R." in red ink. Less than five examples of the registration mark are recorded, a stunning cover. Photo