Hey RFA,
I seen a pitcure on Ebay of a Spitfire. Sure enough it was RF-A. Believe it was a MK V. Size 16 X 20. Was really nice! The person wanted $10 for it but the auction still has 5 days to go on that item. Thought I'd let ya know.
Do a search on Spitfire and maybe 16X20 and it should come up.