b'80Ex 615615** 1938-41 Sun Yat-sen issues in multiples including No Wmk P12 most values to $1, $2 & $5 blocks of 18,all with sheet numbers, plus $10 corner block of 8; also watermarked Perf 14 $5 strip of 3 plus $1, $2, $10 & $20 strips of 5 plus 1940 Postage Due Surcharges $1 & $2 strips of 4, SG:D545-46; all stamps fresh MUH,Cat. 1000. (20 items) $250500Part 616616** 1938-41 (SG:475) $5 Sun Yat-sen complete imperforate sheet comprising six panes of 50 each with DAH TUNG BOOK CO. LTD. H.K. imprint at centre base, vertical folds through each pane, unused, Cat. 1500. [See Gibbons footnote - sheets were looted from the printing works in Hong Kong; single panes quite regularly appear on the market, however complete sheets are seldom offered]$5001,000'