EFE 11103C RTL1245, London Transport green livery on route 303A to New Barnet Station, but with 'Special' on the side destination panel. A limited edition for Cobham Bus Museum open day, April 1993. This has a certificate stating it was one of 900 produced. The inner box is standard EFE, but with a paper outer sleeve.
The museum has now relocated to the Brooklands Museum site and is known as the London Bus Museum.
Here is an RM produced for the 1994 open day: www.flickr.com/photos/adrianz-toyz/53500712209