Top looks to me like a coin that Leo issued with a Lion, body left, facing backwards. Rotate your pic of the reverse by about 30 degrees clockwise and compare with these: https://www.tesorillo.com/aes/_rev/leo_i.htm
Bottom seems to be a typical cross minim - no chance of identifying that, unfortunately, but if that beading is actually legend, then due to its length it is probably Valentinian II. Maybe try cleaning it a little.
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