5c Blue, Coil (351). Guide line pair, deep rich color and proof-like impression, remarkably well-centered with wide margins, bold Benton Harbor Mich. duplex datestamp and oval grid cancel, which on cover was dated Apr. 9, 1917 -- the "1917" is still visible in the right margin of the bottom stamp

EXTREMELY FINE. A BEAUTIFUL AND RARE USED GUIDE LINE PAIR OF THE 5-CENT WASHINGTON-FRANKLIN DOUBLE-LINE WATERMARKED VERTICAL COIL.

Scott 351 is the only 5c Washington-Franklin perforated vertical coil stamp ever produced. Demand proved to be so low that no others were made. It is rare as a used guide line pair, particularly in this choice condition.

With 2009 P.F. certificate on piece of Covel Manufacturing Co. cover. With 2011 and 2017 P.F. certificates as this off-cover guide line pair.

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