postage stamp second oerprint change: the same postage stamps issued chronologic with different postage stamp second overprints |
postage stamp second overprint introduction: the same postage stamps issued chronologic without and than with postage stamp second overprint |
postage stamp second overprint size change: the same postage stamps issued chronologic with the same postage stamp second overprint in different sizes |
postage stamp second overprint text change: the same postage stamps issued chronologic with different postage stamp second overprint texts |
  |
    |
  |
edition 07.1920: without postage stamp second overprint edition 01.1922: with postage stamp second overprint |
edition 03.1919: overprint size 18 x 4½ mm edition 04.1919: overprint size 15 x 3½ mm |
edition 1899: "4 CENTS" edition 1901: "POSTAGE DUE" |
postage stamp second overprint design change: the same postage stamps issued chronologic with different postage stamp second overprint designs |
postage stamp second overprint kind change: the same postage stamps issued chronologic with different postage stamp second overprint kinds |
    |
    |
edition 03.1919: block second overprint edition 05.1919: script second overprint |
edition 03.1919: handstamp edition 06.1919: typography |