essay Block of Four 3c-90c 'Premiere Gravure' plate essays on India (65-E15f, 67-E9d, 62BTC3, 69-E6d, 70TC3, 71-E2b, 72-E7e, formerly nos. 56P3-62P3), blocks of four, a complete set of all 'issued' values less the 1c which reportedly does not exist as a block, all but the 10c (Green) are in the 'issued' colors, large margins to barely touching at one point on couple blocks, 30c has small scissors cut just clear of design, one 10c has long sealed tear, one 24c and 30c T. pair have usual minor faults, otherwise fine-very fine 'set', extraordinarily rare and believed to be a unique 'set' of blocks, ex Brazer (the 1990 auction), Scott retail $6,700.00 photo ex