Stamp Colour Trial

Blue

  • 20L29 Blue on Red, Likely a Scarce Trial Color Proof, Crayon Cancel CV $1500
  • 3d Colour Trial in Purple on Blue Paper No Wmk Perf 14
  • Canada #FB25TC (1865) 8c Bill Issue Dark Blue TRIAL COLOUR Plate Proof BLOCK
  • How To Use A Colour Key The Rare Prussian Blue Stanley Gibbons
  • SG. D4s. R4. Variety 2d Blue Green. (No. 10). COLOUR TRIAL. A fine UNMOU B66795
  • 1861-67 2c DULL CHALKY BLUE TRIAL COLOR PLATE PROOF ON INDIA #73TC3b thinned and
  • 1861-67 2c BLUE GREEN TRIAL COLOR PLATE PROOF ON INDIA #73TC3e full margins mino
  • USA #1TC1bf #2TC1bf Extra Fine Trial Color Large Die Proofs In Blue Green
  • 3d Colour Trial in Purple on Blue Paper No Wmk Perf 14
  • Canada Sc #18TCi (1859-67) 12&1/2c blue Victoria Trial Colour Plate Proof Pair
  • U. S. #156-66TC4 Atlanta Trial Color Proofs 1c 90c Portraits, Blue
  • Trinidad SG128 1d imperf colour trial in black and blue on white unwmkd wove
  • #131TC4l, 30c Pictorial, Trial color proof, Blue frame Scarlet center, Superb
  • US SCOTT #332TC1ao Trial Color Large Die Proof XF Dark Blue (DFP 7/9/20)
  • 87L74TC Husseys Post NY BLUE Trial Color Plate Proof Block of 9 Stamps (BZ 1180)
  • 1884-30. 1½d colour trial Imperf on gummed paper, watermark crown in blue
  • 20L29 Blue on Red, Likely a Scarce Trial Color Proof, Crayon Cancel CV $1500
  • US 40-47TC4c 1851 Atlanta Trial Color Proofs Blue on Card Complete F-XF SCV $800
  • #130TC4e, 24c Pictorial, Atlanta trial color, Scarlet frame Blue center, VF
  • Canada Sc #18TCi (1859-67) 12&1/2c blue Victoria Trial Colour Plate Proof Pair
  • Canada 19Pi 17c Blue, Jacques Cartier, Trial Color Plate Proof, Specimen
  • O48TC-O56TC Blue Atlanta Trial Color (JH 11/22) GP
  • R105Tch, DARK BLUE TRIAL COLOR PROOF STRIP/6 Cat $420
  • US SCOTT #340TC1ag Trial Color Large Die Proof VF Blue On Pink (DFP 7/8/20)