Entrance Donaldson's Cave Spring Mill State Park Mitchell Indiana Postcard Posted 1956 Colorized Divided Caption: Entrance, Donaldson's Cave, Spring Mill State Park, Mitchell, Ind. Publisher: Genuine Curteich-Chicago 'C.T. American Art' Post Card Postage Status: Posted. Handwritten message and address to Canton, Pennsylvania. Postmark Information: Aug 16 1956 Mitchell Ind. Weight: Under 1 oz Era: Photochrom 1945-Present Condition: Pre-Owned in Very Good Condition. Some marks and minor creases. Minor wear to corners. No rips or tears noted. Please see photographs for details as they are considered part of the description. PLEASE NOTE: Postcards may contain flaws from age, handling and use. There may be slight imperfections such as wear to the surface, edges and corners, foxing, yellow/tanning, marks, stains, creases, folds and blemishes. Postmarks, stamps and writing might be on either side even if not actually mailed. Although we try to note any damage, please review the photographs carefully to see the card's condition for yourself. ** Smoke Free Home **