1861 1d Rose-Red showing variety imperforate vertically in mint right sheet marginal horizontal strip of three, flattened diagonal crease, fine appearance, cert. BPA (2020) (SG £350 for a pair) (Image)

1875-77 6d pale green, unused, large part original gum, some light oxidisation, usual rough perfs, fine, ex "Tatiana" (SG £650) (Image)

1881 1d. drab, mint vertical pair with large part original gum, rough perfs., fresh, fine and scarce (SG £1'400+), plus mint part og single in a greyer shade with thins, ex "Tatiana" (Image)

1882 Colour Trials 1/2d. orange, perf. 12, watermark reversed, small part original gum, fine, ex Jaffé and "Tatiana", cert. BPA (1967) (Image)

1882 Colour Trials 1d. orange-brown, perf 12, small part gum, light manuscript cross, perfs slightly trimmed at right and with small thin and light crease at upper right, scarce, ex Jaffé and "Tatiana", cert. RPS (1972) (Image)

1883-84 Colour Trial 1d violet, unused with part original gum, fine, ex Bessemer and "Tatiana", cert. RPS (1965) (Image)

1883-84 Colour Trial 1d bistre-brown, unused with part original gum, slightly oxidised colour, fine, ex Bessemer and "Tatiana", cert. RPS (1965) (Image)

1883-84 1/- orange-vermilion, part o.g. variety "Watermark Crown CA Reversed" hand stamped "Specimen" Samuel type SV1. Rare. B.P.A. Certificate (2001) (Image)