cover 1920 (24 June) "CHINA" 20c. registered envelope (size H) addressed to Sumatra, uprated with K.G.V 2c., 4c. and pair of 8c. cancelled by type I double-circle c.d.s. and showing a good strike of the boxed "SWATOW.B.P.O." registration handstamp at left, fine and very scarce. Webb's Scarcity guide records ten or less. Photo
cover 1920 (24 June) "CHINA" 20c. registered envelope (size H) addressed to Sumatra, uprated with K.G.V 2c., 4c. and pair of 8c. cancelled by type I double-circle c.d.s. and showing a good strike of the boxed "SWATOW.B.P.O." registration handstamp at left, fine and very scarce. Webb's Scarcity guide records ten or less. Photo

Details
cover 1920 (24 June) "CHINA" 20c. registered envelope (size H) addressed to Sumatra, uprated with K.G.V 2c., 4c. and pair of 8c. cancelled by type I double-circle c.d.s. and showing a good strike of the boxed "SWATOW.B.P.O." registration handstamp at left, fine and very scarce. Webb's Scarcity guide records ten or less. Photo