1851 3¢ Issue Calendar, mounted in calendar format, with each bearing a clear central date stamp for each of the 366 days of the year (The year 1852 was leap year), each stamp hand-selected with the far majority showing a upright date, many 4-margin examples throughout, includes a few covers and additional stamps, only a couple #10's noted, Very Fine for this, a wonderful complete 3¢ Calendar, includes additional articles and several publications with front cover display of selected pages from this collection including The American Philatelist (volume. 80, no. 7, April, 1967). Scott No. 10-11  Estimate $2,000 - 3,000. $0 (Image)