Operated from 1994 onwards, using cancellations only.
Updated 19th July 2003
Operated from 1982 until 2005, issuing stamps.
Updated 2nd December 2006
Operated from 1990 onwards, using a cancellation only.
Updated 25th January 2006
Operated from 2006, using a cancellation.
Updated 21st February 2007
Operated from 1984 using a cancellation.
Updated 12th September 2003
Operated from 1994 to 1995, possibly later, using a cancellation.
Updated 11th September 2003
Operated from 1994 to 1995, possibly later, using a cancellation only.
Updated 4th October 2003
Operated from 1990 to 1994, possibly later, issuing stamps.
Updated 30th May 2005
Operated from 1983 to 1985, issuing stamps.
Updated 9th June 2005
Operated from 1982 to 1983, using cancellations only.
Updated 10th March 2007
Operated from 1990 to 1994, possibly later, issuing stamps.
Updated 30th May 2005
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