Tonga 1922(c.) De La Rue imperforate printer's samples, SG38, 47, 52/3Tonga 1922(c.) De La Rue imperforate printer's samples on thick wove, the 'set' of 4 comprising the 1897 d in orange, 6d in brown, 2s6d in purple and 5s in blue green and sepia, the 2s6d without overprint, the other values with "SPECIMEN" (type DS2) SG38, 47, 52 3. A fine and attractive pictorial set and rare printer's samples. The stamp designs depict the following: d Coat of Arms; 6d Coral Formations; 2s6d Red Shining Parrot; 5s View of Vavau