1877 1sh green, overprinted "G" (type 2), unused, fine, cat. £750 (Cat No. SG 9b)

Cat. £750, Est.US$300

1877 5sh overprinted "G" type 4 in red, inverted watermark, fine and rare stamp, cat. £1700 (Cat No. SG 10dw) (Image)

Cat. £1700, Est.US$500

1877 1p carmine red, SG type 7, block of eight, top stamps hinged, bottom stamps n.h., fine-v.f. (catalogued as hinged singles) cat. £384 (Cat No. SG 11b) (Image)

Cat. £384, Est.US$150

1878 1/2p gray black, block of four, overprinted "G", type 15, also 1p carmine red, two blocks of four and a wing-margin block of 12, overprinted type 15, some n.h., fine, cat. £672 (Cat No. SG 15,16) (Image)

Cat. £672, Est.US$150

1878 1/2p gray black, overprinted "G" in red inverted, type 16, pane of 32, wing margin at right, some n.h., occasional toned specks on gum, otherwise fine and scarce showpiece, (Cat No. SG 15a) (Image)

Est.US$500

1881 (May 10) cover from Kimberley to Cape Town, franked with 4p blue overprinted "G", tied by Kimberley postmark, with Cape Town arrival (May 15) alongside, fine and scarce (Image)

Est.US$150