unused Block Larger Than four 1863-1920 (c.), a good assembly of complete sheets as well as a few large multiples, including Fournier forgeries of the 1863 5c., 10c. and 15c. in sheets of 200, 1910 Centenary 1c. (2), 2c. (2) and 3c. sheets of fifty, 1912 "Ploughman" (vertical honeycomb watermark) 12c. blue perforated 13½ sheet of 100 (though split into two blocks of fifty and rejoined), 1917 San Martin values to 5c. in sheets of 50 (9) or 100 (3), 1921 Pan-American Congress set in sheets of 100. (several thousands)

Details
unused Block Larger Than four 1863-1920 (c.), a good assembly of complete sheets as well as a few large multiples, including Fournier forgeries of the 1863 5c., 10c. and 15c. in sheets of 200, 1910 Centenary 1c. (2), 2c. (2) and 3c. sheets of fifty, 1912 "Ploughman" (vertical honeycomb watermark) 12c. blue perforated 13½ sheet of 100 (though split into two blocks of fifty and rejoined), 1917 San Martin values to 5c. in sheets of 50 (9) or 100 (3), 1921 Pan-American Congress set in sheets of 100. (several thousands)