We have obtained a quantity of only 250 woven silk cachet first day covers. Horse drawn ambulance dates back to 1860. Cover issued on June 21, 1985. Preserved under glass on an acid free mat. Legend engraved on brass plate. Gold wood frame. Each piece is numbered with Certificate of Authenticity. 11-1/2" x 7-1/2". Invest in a piece of history. Extremely collectible!