Chase, CarrollCabeen, Richard McP.2018-12-282018-12-281950EPM-069-01-011http://hdl.handle.net/20.500.11867/1505722 7.5 x 10.5 inch sheets. Printed recto and verso. Tears and voids along margin. Annotated throughout in red crayon.Removed from several issue of The American Philatelist, this article continues across issues. Includes a map and black and white illustrations of the postmarks.MapThe First Hundred Years of United States Territorial Postmarks, 1787-1887.