1897 7 1/2p green and black King George II, center inverted, well centered, small h.r., natural gum creases, a highly select mint example of this rare and popular inverted center, without any of the toning so often found on most existing copies, brilliantly fresh, proof like colors and impressions on bright paper, v.f. Only one sheet of 60 containing the inverted center was printed, with this being among the finest available; a key stamp for the Tonga specialist or for the collector of inverted centers of the world (SG 48a) cat. £9000 (Cat No. 47a) (Image)

Cat. £9000, Est.$7,500

1962 overprints, complete set of six, n.h., v.f., with BPA certificates, cat. £350 (Cat No. SG 1-6) (Image)

Cat. £350, Est.$150