Postal Stationery Overprint Difference: common term for two the same postal stationeries with no postal stationery overprint agreement
Postal Stationery Overprint Text Difference: common term for two the same postal stationeries with no postal stationery overprint text agreement
Postal Stationery Overprint Design Difference: common term for two the same postal stationeries with no postal stationery overprint design agreement