1964 Scott #1247 – 5¢ Doctors Mayo / Mayo Foundation – Canceled

Commemorative 5-cent U.S. postage stamp issued in 1964 honoring Drs. William and Charles Mayo, founders of the Mayo Foundation for Medical Education and Research. The green stamp features profile portraits of the Mayo Brothers above a caduceus symbol, representing their pioneering contributions to modern medicine and collaborative care. Lightly mounted with stamp hinge tape, removable without damage. No gum disturbance unless noted.
Features:
- Denomination: 5 cents
- Issue Year: 1964
- Scott Catalog No. 1247
- Subject: Doctors Mayo
- Theme: Medical education, healthcare innovation
- Design Elements: Dual profile portraits, caduceus symbol
- Cancel Type: Black circular and wavy line cancellation
- Fit Notes: Standard commemorative size; ideal for collectors of medical history, institutional founders, or healthcare milestones