{{Use dmy dates|date=April 2022}} thumbnail|right|Isaac Van Alphen thumbnail|right|Official "In Dienst" (On Service) postal stationery envelope to Isaac Van Alphen. Dr. '''Isaac Van Alphen''' was Postmaster General during the Transvaal Second Republic,<ref>"The Transvaal - A Challenge" by Alan Drysdall in ''Gibbons Stamp Monthly'', June 1997, pp. 47-49.</ref> appointed on April 1, 1885.

==See also== *Friederich Jeppe *Postage stamps and postal history of Transvaal

==References== {{Reflist}}

==External links== {{commons category|Isaac Van Alphen}} *https://www.nytimes.com/1897/06/03/archives/kruegers-namesake-dead-transvaals-postmaster-general-learns-of-his.html

{{DEFAULTSORT:van Alphen, Isaac}} Category:Year of birth missing Category:Year of death missing Category:Postmasters

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