2c Black, Proprietary, Trial Color Plate Proof on India (R13TC3a). Block of 24, huge margins (Image)

$ 1,800.00

$25.00 Mortgage, Plate Proof on Card (R100P4). Block of 24, large margins all around, deep ri (Image)

$ 4,050.00

$50.00 USIR, Plate Proof on Card (R101P4). Block of 24, rich color on bright card, large marg (Image)

$ 5,700.00

$500.00 Blue, Series of 1914, Large Die Essay (R249E; Turner 150-B). Die sunk on card measuri (Image)

E. $ 500-750

First Issue Revenue Trial Color Proof Blocks. Eight blocks of four, Nos. R3TC3, R7TC4, T13TC3 (Image)

$ 3,800.00

First Issue Revenue Proof Blocks. 64 blocks of four, some on India and some on card, includin (Image)

$ 14,836.00

First Issue Revenue Proofs. Stock pages containing 75 singles, 20 pairs and a strip of three,

$ 10,737.00

Revenue Proof Collection. Over 100 different plate proofs, most of the value in the First Iss

$ 6,000.00

Second Issue Revenue Proofs. Stock pages containing 18 blocks of four, four pairs and nine si (Image)

$ 5,158.00

Revenue Proofs and Essays. Stock pages of plate proofs and essays, including block of four of (Image)

E. $ 1,000-1,500

Private Die Proprietary Match & Medicine Proof Collection. More than 220 items in a stockbook

E. $ 1,500-2,000