Treaty Ports, 1866-1902 Swatow Treaty Port Cancellation Collection. Over 110 stamps on album and stockpages; various QV issues showing the range of cancellations including 15 "S2" obliterator strikes including four in blue (Yang Estimate. HK$1,200-1,500 each), others showing the various Swatow cds's including many of the the scarce Swatow A 19½mm cds's, all selected for fully readable strikes; condition varied with postmark strikes well above the norm, generally F.-V.F. Estimate  $2,000 - 3,000. $0 (Image)