SAN MARINO (1947) Roosevelt*. Flags*. Perforation error in bottom pane of 20, with an extra row of perforations across the middle of the bottom strip of 10 stamps. Scott No C51c, Yvert No PA55.
AVAILABLE AT $140
SAN MARINO (1947) US stamps*. Flag*. Margin pair imperforate horizontally. Scott No 267, Yvert No 309.
AVAILABLE AT $30
SAN MARINO (1947) US stamps*. Flag*. Margin single imperforate vertically. Scott No 271, Yvert No 313.
AVAILABLE AT $30
SAN MARINO (1947) US stamps*. Flag*. Pair misperforated vertically. Scott No 271, Yvert No 313.
AVAILABLE AT $30
SAN MARINO (1947) US stamps*. Flag*. Strip of 5 with rightmost stamp having an extra column of vertical perforations. Scott No 267, Yvert No 309.
AVAILABLE AT $30