China, 1912, Nanking "Provisional Neutrality" overprint, $5 green & salmon, town cancel, strong colors, Very Fine, ex-Sir Percival David; signed Senf, Grobe, with 2010 China Stamp Society certificate. Scott Nos. 145  $10,000. A LOVELY AND VERY RARE USED EXAMPLE OF THIS HIGH VALUE NANKING ISSUE. WITH ONLY 32 REPORTED TO BE ISSUED. $0 (Image)