Operated from 1989 to 2000, possibly later, issuing stamps.
Updated 21st August 2005
Operated in 1996, possibly later, issuing stamps.
Updated 18th July 2003
Operated from 1991 onwards (except 2004), issuing stamps.
Updated 16th January 2006
Operated from 1984 onwards, issuing stamps.
Updated 19th July 2003
Operated from 1991 onwards, issuing stamps.
Updated 6th January 2004
Operated from 1993 to 1994 issuing stamps.
Updated 15th October 2009
Operated from 1984 to about 1990, issuing a stamp.
Updated 24th August 2005
Operated from 1984 onwards, issuing stamps.
Updated 2nd October 2003
Operated from 1987 onwards, issuing stamps.
Updated 1st December 2003
Operated in 1996, possibly later, issuing stamps.
Updated 20th November 2003
Operated from 1984 to 1985, possibly later, issuing stamps.
Updated 21st February 2009
Operated from 1986 to 1987, possibly later, issuing stamps.
Updated 1st December 2003
Operated from 1994 to 1999, possibly later, issuing stamps.
Updated 1st January 2004
Operated from 2004 onwards, issuing stamps.
Updated 2nd December 2005
Operated from 1989 to 2000, using cancellations only.
Updated 16th November 2003
Reportedly operated in 1995/7, possibly later, no details available.
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