Singapore 1974 35c World Population Year error, SG239aSingapore 1974 35c World Population Year, ERROR EMERALD (MALE SYMBOL) OMITTED, SG239a. A superb unmounted mint, with full original gum, example. Accompanied with an example of the normal stamp for comparison and presentation purposes. A rare and quite dramatic modern British Commonwealth stamp error. Fewer than 20 examples are recorded, making this one of the scarcest modern Singapore errors. The missing male symbol fundamentally alters the central