USA
Viser nå: USA - Postfrimerker (1847 - 2024) - 5 frimerker.
10. April VM: Ingen Perforering: Rouletted 11¼ x 11½ on 2,3 or 4 sides
10. April VM: Ingen Perforering: Rouletted 9½ x 10 on 2 or 3 sides
10. April VM: Ingen Perforering: Rouletted 8½ vertical
15. March VM: Ingen Perforering: Rouletted 11¼ x 11½ on 2,3 or 4 sides
16. June VM: Ingen Perforering: Rouletted 8½ horizontal