1851 2c Washington, Danforth, Bald & Co., die essay in black pulled on India paper and die sunk on full size card blotter, showing the first state of the die without any scarring on the next (indicated in pencil), v.f., full size die essays from 1851 are very rare, ex-Brazer, cat. $750 (Cat No. 11-E12a) (Image)

Cat. $750, Est.$250

1851 3c Washington, die essay on proof paper, set of five issued colors (cool black, dull red, dull brown, dull blue green and dull blue), v.f., cat. $2375 (Cat No. 11-E4e) (Image)

Cat. $2375, Est.$700

1851 3c Washington, Draper, Welsh & Co., die essay on ivory glazed paper, set of four issued colors (black, dark brown, scarlet and blue), some marginal flaws as to be expected, otherwise fine-v.f., cat. $3000 (Cat No. 11-E7e) (Image)

Cat. $3000, Est.$800

1851 5c trial color proof in pale brown on wove paper, margins all around, v.f., with 1984 PFC, cat. $300 (Cat No. 12TC5a) (Image)

Cat. $300, Est.$100

1851 5c trial color proof in rose brown on wove paper, margins all around, with portion of exhibit page, v.f., ex-Falk Finkelburg, cat. $300 (Cat No. 12TC5b) (Image)

Cat. $300, Est.$100

1851 5c trial color proof in deep orange on wove paper, margins all around, v.f., with 1984 PFC, cat. $300 (Cat No. 12TC5g) (Image)

Cat. $300, Est.$100

1851-61 selection of 17 Valentine covers, each franked with 3c perf. or imperf., different usages and postmarks, two pen canceled, also two green cancels, mostly fine or better, attractive group (Image)

Est.$1,500