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SEYCHELLES - 1957 5C SURCHARGE STUDY GROUP a detailed study of the 1957 5c on 45c purple-brown, with a range of mint and used stamps displaying the main surcharge varieties (italic 'e', italic 's' and italic 'c'), as well as minor variants, with positional variants indicated in blocks of 4, 6, 8 and 18 stamps.  Fascinating little lot (55 stamps and 1 cover).