[Salt Lake City U.T. July 1, 1851] straight line postmark on cover to New Jersey, incorrectly rated 6c due and re-rated to 5c due with red rate handstamp, first day reduced rates, (3c prepaid, 5c unpaid), carried under the Woodson contract to Independence

(MWE Figure 7-3), ex Risvold and Walske (Image)