"Founds these on the platform of the C train in TriBeCa in 2011. They are photos of Tim Curry and the cast of Rocky Horror during the making of the film. Some have writing on the back and Frankenfurter kissed the back of one." -marterdom
Oh I do love a happy ending. It turns out these photos fell out of the bag of well-known Rocky collector Larry V - and the person who found them is posting them back to him! Hurrah!