The Paper Trials were printed by Seymour Bennett Head of the Stamping Department in December 1911 during the production of the die 2 stamps (plates 6a and 8a were used). These Trials were printed on no watermark paper and imperf. 1d Downey in Scarlet (trial fa) on John Allen Paper Machine Finished Underside paper. The paper is watermarked Indiana Vellum. Inscribed on left margins Ivybridge F (Allen & Sons) surface special finish underside machine finish. Also inscribed 109 in the corners. The thickness is 0035 0035 0036 measured
1d Downey in Scarlet (trial fa) on John Allen Paper wmk Indiana VellumSale!
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