@shortcut OK I might try one just for experimentation. Yes I agree that expired film can give artistic results. The problem with the layered type of film like the 3000B is that often the whole of the film basically disintegrates too much. It is too hit or miss - particularly for paying $40 for a 10 shot canister where you only get about 2 shots that are useable. You need to be rich for that kind of experimentation. Here is an example: