I'll throw my sizing info in if it helps. The 1950s Service boot runs "big" for me at least with the turned up toe. I am an 8 in White's Classic Work Boots and got a 7.5 U.K. in my Vibergs. They fit but I could have prolly went down to...
My 6 month old White's Classic Work Boot with a fresh coat of LP - (They are 18 months old now ;))
http://i34.photobucket.com/albums/d113/climbinglife/IMG_4611.jpg
And my 3-1/2 week old Viberg 1950...
These are the build sheets for both my White's CWB and my Viberg 1950 Service Boot, if anyone is interested.
Whites:
2011 Classic Work Boot
Size 8D based on tracings
Height - 6 inches
Lace Design - Plain toe
Brown...