Viser nu USA - Post frimærker (1920 - 1929) - 17 frimærker.
VM: Ingen Design: central perfin F 6 holes in middle stamp Perforeringer: Imperforated
26. maj VM: Ingen Perforeringer: 10 x 11
VM: Ingen Perforeringer: 11
VM: Ingen Perforeringer: Imperforated
1. november VM: Ingen Perforeringer: 11
21. december VM: Ingen Perforeringer: 11