Study of the Small Circular Design Examiner Markings, Type EM-4 and Type EM-5 used at the General Post Office in New York City, 1883 -1902</font></b>

Study of the Small Circular Design Examiner Markings, Type EM-4 and Type EM-5 used at the General Post Office in New York City, 1883 -1902

Wayne Schuetz

PDF file here
click page thumbnails for larger image