MALDIVE ISLANDS 1990 Provisional surcharge 3r50 on 2r60 ERROR DOUBLE SURCHARGE

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£35.42

SKU: M209799

1990 Provisional surcharge 3r50 on 1985 2r60 Dhoni error Surcharge double unmounted o.g. This mystery surcharge believed to have been issued in 1990 when 3r50 became a required postal rate was first reported on the 2r70 value in GSM April 1995 (p.86) and this stamp in GSM November 2007 (p.124). Mentioned in footnotes to SG1108/15. Minor traces of toning but very small numbers appear to have survived… Purchased from Stanley Gibbons (still on their card)