VERY FINE. A RARE PAIR OF THE CHARLESTON POSTMASTER'S PROVISIONAL ON COVER. ONLY FOUR PAIRS ON COVER ARE RECORDED IN THE CALHOUN CENSUS.
The census of Charleston provisional covers includes one vertical and three horizontal pairs. Three covers are also known with two singles.
Ex Calhoun and illustrated in his Charleston book on p. 106.
VERY FINE. THIS IS THE EARLIEST REPORTED USE OF A MULTIPLE OF THE 5-CENT ADHESIVE CHARLESTON POSTMASTER'S PROVISIONAL, AND THIS IS THE ONLY RECORDED VERTICAL PAIR.
The Calhoun census contains one vertical pair (offered here) and three horizontal pairs. Three covers are also known bearing two singles to make up the 10c rate.