Vintage Folding Cabinet Card Photograph. Identified on mount flap as Dorothy & Hazel Ervin. Photo by O.A. Vik studio, Rapid City, South Dakota. Measures approximately 4.5 x 6.5 including mount when flaps are folded inwards. Condition: This is an original photograph, not a copy or reproduction. It is in very good condition. Comments: Another photo from this same family collection (sold separately) depicts Dorothy as a young woman or possibly a high school graduation portrait and was taken in O'Neill, Nebraska.