Listed here is a pair of LEGO Doors (mpn: 3190/3191), in Blue.  Discontinued in 2010.  In good, used condition, with some minor play wear.

Payment by PayPal only, please.  Shipping will be by Royal Mail Second Class within one business day of receipt of cleared payment.  Overseas buyers, please note: you will be responsible for any Customs duties.

I think that's everything, but if you've any questions, then please PM me.

Thanks for looking!