Operated from 1994 onwards, issuing stamps.
Updated 17th November 2003
Operated in 1987 & from 1998 until 2001, issuing stamps.
Updated 18th November 2003
Operated from 2002 onwards, issuing stamps.
Updated 18th November 2003
Operated from 1990 to 1997, possibly later, issuing stamps.
Updated 26th November 2005
Operated from 1990 to 1996, issuing stamps.
Updated 18th November 2003
Operated from 1990 onwards, issuing stamps.
Updated 9th March 2007
Operated from 1992 to 2001, issuing stamps.
Updated 28th November 2004
Operated in 1983, using a cancellation only.
Updated 18th November 2003
Operated from 2000, issuing stamps.
Updated 9th March 2007
Operated from 1987 onwards, issuing stamps.
Updated 1st December 2003
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