S. Gille Heringa, Nederlandsch Jaarboekje der Posterijen voor 1851
Nog Iets over de Frankeerzegels [Another Thing about the Postage
Stamps], continued from the 1850 edition, pp. 75-79 of the
Mengelwerk [Miscellany].
http://books.google.com/books?id=MjtUAAAAcAAJ
(p. 75)
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(p. 76)
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(p. 77)
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(p. 78)
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(p. 79)
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