lot # 4144 - brit. colonies leeward islands
1938/51: £ 1 violet & black on scarlet, perf. 13, an unused block of four, marginal from top of sheet, wmk. Multiple Crown CA, variety "Watermark Sidewways" of vivid colour and superb appearance, mounted in margin only, stamps full unmounted og. Extremely rare, the watermark error only occurred on one sheet of sixty and probably now the largest extant multiple Gi = £ 26'000+.