Those mexico are worth a few quid mate.  Its the best set to collect they are good fun to collect as there is no real hard ones to get unlike the italia where no. 1, 2 and 3 and really rare.

You should email my brother on the korea 2002 he has about 6 sets and is always looking to do more his email is marclrme@yahoo.co.uk just tell him I sent you.