1900 (6 Feb) Hong Kong QV 5c in pair on piece, tied by scarce Liu Kung Tau BPO Webb type A oval d.s. in violet.1900.2.6
1900 (6 Feb) Hong Kong QV 5c in pair on piece, tied by scarce Liu Kung Tau BPO Webb type A oval d.s. in violet.1900.2.6 香港維多利亞女皇像5仙雙連剪片，銷珍罕之劉公島英局Webb A型紫色橢圓日戳。
