Smallest is 7" and largest is 9.25". These were all issued for the twenty-third National Convention of the Woman's Relief Corps held in Denver Colorado September 7-8, 1905. First has color scene of steam train travelling through deep canyon. Second was used by those coming from New Hampshire and has image of The Old Man In The Mountain rock formation. Third is from Kentucky group which includes music lyric "The Sun Shines Bright In The Old Kentucky Home." Last pays homage to the "Commander-In-Chief Grand Army Of The Republic Wilman W. Blackmar" who "Died In Office, July 16, 1905." Couple of touches of age on the blank reverses of two of these but exceedingly minor and the fronts display super clean and NM. A rare group.