Operated in 1995 only, issuing stamps.
Updated 18th July 2003
Operated from 2000 onwards, issuing stamps.
Updated 26th November 2007
Operated from 1994 to 1997, issuing stamps.
Updated 5th October 2003
Operated from 1982 to 1990, possibly later, using cancellations only.
Updated 20th November 2003
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