Beautiful complete Fleetwood First Day Cover set issued October 9, 1980, commemorating Landmarks of American Architecture. Each envelope features a full color cachet painting by artist Brett Martin, paired with a block of four 15¢ “Architecture USA” stamps (Scott #1838–1841).

All are postmarked First Day of Issue – New York, NY (Oct 9, 1980) with matching serial numbers (39428). Included landmarks and architects:

• The Smithsonian Institution, Washington, D.C. — James Renwick Jr.

• Trinity Church, Boston — H.H. Richardson

• Lyndhurst Mansion, Tarrytown, NY — A.J. Davis

• The Pennsylvania Academy of the Fine Arts, Philadelphia — Frank Furness

• University of Pennsylvania Library, Philadelphia — Frank Furness

Each cover includes original Fleetwood descriptive text on the reverse and comes from the official USPS “Landmarks of American Architecture” release.

Condition: excellent; clean covers with sharp cancels and vibrant cachets.

Fleetwood First Day Cover • 1980 Architecture Stamps • American Landmarks FDC • Smithsonian Institution • Trinity Church Boston • Lyndhurst Mansion • Pennsylvania Academy of Fine Arts • University of Pennsylvania Library • USPS 15¢ Architecture Series