1 x  used  genuine amal 276 76 6 pre  monobloc  carb    throttle slide / valve 6/2 .     no. 2 cutaway,   good  used   condition!- 

low use   much of original outer plating still present 

  signs of wear ,but  sure usable  - may be better than yours ?  very  clean

appears not to had the usual ammount of wear or use 

   to fit triumph  norton ajs matchless panther ariel   bsa etc etc , fit amal  ,  76 276 models , this must be best part of  70+ years old   -