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warshawlawThe Ruth is definitely from one of several exhibit sets. Judging from the PC back shown with the Ruth, you are probably looking at the early 1930's. The Dimaggio may be from a collector's issue or the late 1930s; only a close viewing of the card stock would clear it up. Ruth and Dimaggio missed each other by a few years in NYC, so the cards are not from the same set.
In terms of value, assuming they are vintage 1930s exhibits they do have some value, but not much. I've seen cut up exhibits offered for sale and drawing no more than a few dollars each.