Proof 1c, 5c, 8½c, 10c, plate proofs on India, all but the 10c affixed to card, all with diagonal "SPECIMEN." overprints, with 1c block of six in vermilion overprinted in green, 5c block of four in black with imprint at top overprinted in red, 8½c block of four in vermilion, with doubled part imprint at left, overprinted in green and 10c block of four in black overprinted in gold; fine; the block of six not illustrated

Details
Proof 1c, 5c, 8½c, 10c, plate proofs on India, all but the 10c affixed to card, all with diagonal "SPECIMEN." overprints, with 1c block of six in vermilion overprinted in green, 5c block of four in black with imprint at top overprinted in red, 8½c block of four in vermilion, with doubled part imprint at left, overprinted in green and 10c block of four in black overprinted in gold; fine; the block of six not illustrated