1906 2c violet Postage Due with Type A Lathework, mint never hinged, with lathework in selvedge at left, very fine and rare. Accompanied by a 2010 Greene Foundation certificate. Rsv. (Image)

Unitrade $ 3,750

1928 4c reddish violet Postage Due, a mint plate A-1 block of six, catalogued as top 2 (very fine hinged), next 2 (very fine never hinged) bottom 4 (fine never hinged) plus 100% premium for plate block. (Image)

Unitrade $ 1,440

Collection of Mint and Used Postage Dues, all neatly displayed on pages, with complete collection of mint singles, plus extras such as used singles and blocks, some nice covers, mint blocks and plate blocks, etc. A nice and clean collection, conservatively catalogued by owner using 2017 Unitrade as all fine centered only. (Image)

Unitrade $ 1,023