Can't find paint!

Can anyone tell me if anyone besides Testors/MM makes F.S. 36375 (flat)? Specifically a brand available in the UK? I’ve found Humbrol’s version, but it’s only in satin. Any help would be appreciated.

Y Not just shoot it with a coat of flat clear coat thats what i would do. but i found this
Gunze Sangyo H308 FS 36375
http://www.kingshobby.com/u_s.htm

[:I] Ok chalk that one up to newbie ignorance - I’m pretty new at this and learning as I go - thanks.