130
            
            
              808
            
            
              1939 The 150th Anniversary Of The Constitution of the U.S.A. Commemorative issue, four die proofs in issued
            
            
              colours on India surfaced papers (varying sizes) sunk on thick cards (varying sizes), each with different die number
            
            
              at top:
            
            
              5c   green, blue & scarlet       113 x 88mm with die number 79381 on 228 x 150mm
            
            
              25c deep blue, blue & scarlet 112 x 88mm with die number 79382 on 228 x 151mm
            
            
              50c brown, blue & scarlet      111 x 88mm with die number 79383 on 230 x 152mm
            
            
              $1   rose red, blue & scarlet  111 x 88mm with die number 79284 on 228 x 151mm
            
            
              all marked "F10595" in pencil on back;
            
            
              plus master die proof with flags and value tablets blank and die number 79402 at top, printed in black on India
            
            
              surfaced paper (100 x 96mm), marked "3 stripped draw" and "710595" in pencil on back, previously stuck (but now
            
            
              detached) on thick card (103 x 128mm) with "V79402" marked in pencil at bottom right;
            
            
              and imperforate master die proof of 5c, with flags blank, printed in green on soft white paper (57 x 42mm).
            
            
              The master die proof has glue toning on back perceptible from front, others fine to   very fine and seldom offered with
            
            
              die proofs in complete set of 4 and two master die proofs as one lot. From the M.F. Huang collection. Photo
            
            
              HK$ 15,000 - 20,000
            
            
              808