cover 1895 (7 Jan.) 4d. Registered Letter U5 (H & G 4 - size G) to New Zealand, bearing 1894 2½d. on 1/- green neatly tied by "NUKUALOFA TONGA" c.d.s. and showing arrival c.d.s. on reverse; the U5 with small light central stain not significantly affecting appearance. Scarce. Photo