Disambiguation

There are several certificates that share the name "Pitney Bowes iButton Postal Security Device (PSD)":

#1234, historical , 30.11.2009 , 06.01.2010 -
#425, historical , 06.05.2004 -
#600, historical , 08.12.2005 -
#573, historical , 20.09.2005 -
#1393, historical , 18.08.2010 , 13.09.2010 -
#839, historical , 21.09.2007 , 29.10.2007 -
#554, historical , 29.06.2005 , 18.10.2005 , 29.03.2006 -
#2203, historical , 09.07.2014 -
#472, historical , 22.10.2004 -
#1246, historical , 29.12.2009 -

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