Pan-American Exposition Issue 🇺🇸 United States, 1–10¢ | Issued May 1, 1901 | Scott 294–299 When you start to gain a grasp on early American commemorative stamps, you begin to pick up on certain series names: Columbian Exposition, “the Trans-Mississippis”, et cetera, et cetera. So, sure, I understand quality specimens can be very valuable. But... Continue Reading →