Jamaica 1953 QEII Postage & Revenue 1s black & green SW corner block of 4 oval key plate by De La Rue overprinted JUDICIAL, stamps unmounted mint,(ex M N Oliver collection)
Jamaica 1953 QEII Postage & Revenue 1s black & green SW corner block of 4 oval key plate by De La Rue overprinted JUDICIAL, stamps unmounted mint,(ex M N Oliver collection)