1926 (c.) stampless cover addressed to « General Post Office Auckland or Wellington N.Z. » in the hand of R. E. Christian (and with red Flag logo on flap) showing a fine strike of type III « POSTED AT PITCAIRN ISLAND/NO STAMPS AVAILABLE » cachet in violet, partly overstruck by « To PAY/2d. » circular due mark. Typical slight cover faults though a rare and interesting usage from the final period (after March 1926) after the cancellation of the free postage concession. Cat £1800