Great Western Railway Uniform Buttons 

all believed pre 1947 and one smaller gilt button believed even earlier

two large -brass buttons  with decorated reverse and with no makers mark 

two smaller brass buttons one with reverse stamp 'Special Quality'

one with makers mark of 'Compton Sons & Webb, London'

small older button with wreath surrounding the GWR logo heavily gilded with good condition gilt 
this also maker marked 'Compton sons and Webb London'

Any queries just ask