Titanic film cells (they originally came with the VHS boxed set after Titanic first came out on home video). You can’t see it but one is of the flying scene (which I surprisingly managed a while later to buy separately for two or three dollars), the other is when Rose and Jack are on deck (when she’s looking through Jack’s drawings) which was the one that came with my set.

I’ve tried a few times to get a good shot of the cells themselves but it’s just not possible/