Lot no. 15511

1905-13, 1 d. rose-carmine perfins “OS”, wmk. Crown over A, perf. 12 x 12½, an unused block of 24, complete marginal from lower of sheet, showing “CA” and "JBC" Monogram, fresh and fine appearance, most stamps large part unmounted og., four stamps hinged, few perfs apart, vertical fold in center, fine and attractive multiple