5c Red Brown, Double Transfer Ty. E (1-E). Horizontal pair, left stamp showing double transfer of "U", "Post Office" and left numeral "5", large margins to just clear at top left, rich color complemented by bold strike of red "St. Louis Mo. 10 Jan. 9" integral-rate circular datestamp, double transfer stamp with vertical crease ending in small tear, still Fine and rare example of the "Mower Shift", probably no more than a dozen examples are known, with 1989 P.F. certificate

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