since you are looking at watermarks on Czech stamps you should get a specialized catalog and look for the types of watermarks... invert, invert reverse, verticle and horizontal aligned. there is so much to look for.
when I used the fluid the top stamp the linden leaves showed up so that's a 107 water mark the bottom stamp with the heavy cancellation on it showed nothing.
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Posted 02/23/2020 12:32 pm
