Air Mail Envelope w/ C11 Air Mail Stamp Used - National Philatelic Exhibition

---

---

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

---

Air Mail Envelope w/ C11 Air Mail Stamp Used - National Philatelic Exhibition:
$2.00

---

US Air Mail Envelope w/ Stamp #C11\"1929 5 Cent Air Mail Envelope & Stamp\"Used C11 Stamp w/ Air Mail Envelope &a National Philatelic Exhibition Stamp.*Sent From The Hodgson Buildingin St. Paul Minneapolis, MN*
You Will Receive Stationery Shown Here

---

Air Mail Envelope w/ C11 Air Mail Stamp Used - National Philatelic Exhibition:
$2.00