U. S. Postal Cover 5c Helicopter Jan 6, 1947 Staehle Cachet Signed

Postal Cover - 5c U. Staehle Stamps on both sides of the cover - Very Rare Cover - Signed by Mr. Staehle on both sides of the cover. Included are copies of photos of the type of helicopter that the cover was flown on.

Included are copies of the Cachet Craft Ads and the Cachet Craft Perforation Gauge.

---