Did you know that the reason letters are called upper-case and lower-case is because way back when, printers had cases of letter punches, and the ABCs were kept in the case on top (the upper case) and the abcs were kept in the case on the bottom (the lower case)?
Here are some letter punches he also let us take:
I took what is, from left to right, either an italicized x or the Greek letter chi, a question mark, and a capital A.
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