I have 3 that have paper on the back, but soaking them seems too risky. There are a bunch in PSA holders that went through that process and they look faded and discolored, but it may be possible.
The toughest cards, from what I've seen, are Henry, Lelivelt, Johnson, L.Magee, Lobert and Schulte. The other 10 short prints are not quite as difficult.
Bill
|