Ring's Vegetable Ambrosia, 2c
Blue, Imperforate (RS199b). Original gum, large margins all around
incl. part of adjoining stamp at bottom, deep rich color, Extremely Fine
Gem, a scarce stamp in superb condition
(Image)
James Swaim, 8c Orange,
Imperforate, Old Paper (RS232a). Large margins to just barely in at
left, vivid color, few light vertical creases, otherwise Very Fine (Image) 
E. W. Hoyt & Co., 1c Black on
Silk Paper, Imperforate (RT6b). Large margins, sharp impression on
bright paper, Extremely Fine, very rare and one of the finest of the few
known (Image) 
E. W. Hoyt & Co., 1c Black on
Pink Paper, Imperforate (RT6c). Large margins, sharp impression on
fresh paper, Extremely Fine, a superb example of this Perfume stamp rarity
(Image)
5c Black, Caterson, Brotz &
Co. Private Die Playing Card, Large Die Proof on India (RU1P1). 40 x
62mm die sunk on 151 x 227mm card with full die sinkage, blue control no.
18189 on back, light soiling in corners from prior mountingVERY FINE. A RARE PRIVATE DIE PLAYING CARD LARGE DIE PROOF.
The stamp was supposed to be issued in Brown but was never issued. Undervalued in Scott (Image)