US Sc# 148 Var USED STAMP.. RARE VARIETY -DESIGN SHOWS DOUBLING. LESS THAN 5 KNOWN WITH ONLY ONE CERTIFIED AS A 148b DOUBLE IMPRESSION. IT HAS A LIGHT SPOT THIN ON CENTER AND VERY LIGHT BENDS DUE TO THE HINGE REMNANT ON THE BACK. “OBTAINING CERTIFICATES OF AUTHENTICITY”. Stamps generic certificates from The Philatelic Foundation, […]