That's mine ^ !
I've never seen that paint scheme on raleigh "road" professionals.
Maybe the OPs has been altered from track to road?
Doesn't seem likely.
__________________
1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"