Lot 10619 – San Luis Potosi 50c lithographed large block

San Luis Potosí 50c green lithographed (consignment #58-1866, no name) mint block of 40, very close at lower left otherwise good margins all around, three vertical creases in between stamps. Very fine and one of the largest known multiples of litho 50c. NF $944 as blocks of four and singles.