Identify this carb?

[dcarver]

Any old skewl techies recognize this carb model? It's a flatside Mikuni, was OEM on a 87 ATK with XR600 Honda power.

TIA -

 

[dcarver]

The power of posting - found it!

(the numbers on the side were complete - it's a T38)

 

[Bluestreek]

38mm Flatslide. I have one on my 87 Suzuki LT 500 Quad