By Peter Huntoon
I’ve been pursuing and writing about early small-size micro back plate 629 and 637 notes for my entire collecting carrier, so any significant discovery along those lines is exciting to see.
Robert Calderman, another 629/637 micro back aficionado, sent this scan, which took my breath away. What he landed was this prominent accordion fold error on a $5 1934B Silver Certificate mule bearing micro back plate 637.
This truly is a spectacular find that marries a rare mule variety and gorgeous misprint. It is a note that anyone would place as the centerpiece of their 629/637 collection. I have seen only one other 637 misprint, a 1934C Silver Certificate with a small gutter fold.
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More Collecting Resources
• The Standard Catalog of United States Paper Money is the only annual guide that provides complete coverage of U.S. currency with today’s market prices.
• When it comes to specialized world paper money issues, nothing can top the Standard Catalog of World Paper Money, Specialized Issues .