Worldwide Topicals, Paris Universal Exposition of 1878. Group of 19 covers and ephemera having postmarks, corner cards or other reference to the Exposition, including fancy red free frank of the Minister of Agriculture and Commerce on his official cover; various "Yale Lock Postal Bureau / Section des Etats-Unis / Exposition Universelle / Paris 1878" handstamp; several covers with Expo cancels (French); also illustrated corner cards with Expo medallions; and 14 full color trade-like cards showing various views and pavilions at the Exposition, in excellent condition; very interesting and generally F-VF condition overall. Estimate  $500 - 750. $0 (Image)