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Posted By: davidcycleback

For a heavy crease or wrinkle, I'm not certain your process would entirely remove it. I'm not an expert in conserving baseball cards, but if card is 90 years old, it's bone dry and I'm not sure that messing around with the surface texture is a great idea. I suspect that pressing a 90 year old wrinkle may simply produce a flat wrinkle, and may make it look worse.