CASTLE, Wilfrid T.F., Cyprus Postal History and Postage Stamps, rev edition, Robson Lowe Ltd, London, 1971, 256pp.; Bols, A.N.D., The Postal Surcharge and Revenue Stamps of Cyprus 1971, London, 1979, 11pp (2); Poole, M.A., The Postmarks of Cyprus, Loutsios Press, Cyprus, 1972. Fine. (4)
Ex Mark E.Freehill Collection.