they are 14" x 6j wide!
lots of pics in the link!
open to sencable offers!!? :)
they are in the for sale section on this site.. heres a link.
http://micra.org.uk/threads/for-sale-14-x6j-borbet-as-good-tyres-origional-metal-centre-caps-new-bolts-key-%C2%A3200-o-n-o.50390/