£220 - £300
TWO PAGES OF CERES TYPE COLOUR TRIALS & ESSAYS - c.1849. Designed and engraved by J.J.Barre. Page 1 has: 16 x 20c examples showing shade varieties of each colour. Page 2 has: 7 x 4 values with varieties of paper & colours used. Includes 2 x 15c green but both detailed as forgeries (not guaranteed or otherwise).