used Block of Four 1c. slate-purple block of four with central Malacca double-ring c.d.s., fine. B.P.A. Certificate (1965). S.G. JD11, £900. Photo

Details
used Block of Four 1c. slate-purple block of four with central Malacca double-ring c.d.s., fine. B.P.A. Certificate (1965). S.G. JD11, £900. Photo