Series 1935A $1 Silver Certificate Varieties: The R and S Experimental Notes Explained
In 1944, the U.S. Bureau of Engraving and Printing conducted a rare printing experiment that produced two distinct varieties of the Series 1935A $1 Silver Certificate, each stamped with a red ‘R’ or ‘S’ suffix. These experimental notes represent one of the most fascinating and collectible chapters in modern U.S. currency history, and understanding them can make a real difference at auction.
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