TRANSJORDAN 1930 'Locust Campaign' 15m ultramarine error, SG188aTransjordan 1930 'Locust Campaign' 15m ultramarine, error OVERPRINT INVERTED, lower marginal example, SG188a. A very fine mint positional example with original gum and most attractive. Only one sheet of 100 originally existed with the inverted overprint. The stamp depicts a portrait of Emir Abdullah ibn Hussein who played a major role alongside T. E. Lawrence during the Great Arab Revolt against Ottoman rule. Abdullah was Emir and ruler of Trans