1855-57 Wmk Medium Garter 4d carmine on thick blued highly glazed paper with "SPECIMEN" type 2 overprint vertically in mint nh block of four, minor natural gum wrinkles, very fine and scarce (SG £4'800+ in 2019) (Image)

1855-57 Wmk Emblems 6d deep mauve imperforate plate proof on wove paper with watermark emblems inverted, trial cancellation "KF AP.-1.1856" datestamp, taken from a presentation album produced for the 1867 Paris exhibition, with small piece attached at top, very fine and rare, cert. RPS (2007) (Image)

1855-57 Wmk Emblems 6d Deep Lilac pl.1 imperforate imprimatur, top marginal (mounted on the face of margin as usually seen), very fine and rare, one of only 24 possible examples, many of which are in institutional collections, ex Dr Serval (1976) (Image)

1855-57 Wmk Emblems 1s Deep Green with "SPECIMEN" type 4 overprint in mint og strip of three, lightly mounted on middle stamp only, very fine, ex "Verus" (Image)