Here you can select the number of cards to be placed in a row for each of supported screen resolutions. Your current resolution is highlighted in this way.
it is a genuine unused, o.g., never hinged, bottom right pane of 100, position 18 is the error, all others Scott No. 499, position 1 and 91 with small tears and perf separation between columns 4 and 5.
it is a genuine unused, o.g., never hinged, top left margin Plate No. 14203 and star block of four, the bottom right stamp with a perf disc indent at the right.