The ST will have three 000's on the price.
The 3 bar IT will have two 00's. Lol
No, seriously,
The ST is usually always stable
Has 3 bar with the middle bar sweepin back to a tapered point.
ST has more of a taller shape , although some Indos also have this but not many.
The tail usually has only 1 stripe on it. The IT usually always have 2 small stripes on the tail .
Now go in the media lounge and look for recent threads with really high post count, there have been several discussions about "IT or ST"
You will find more details there. Alot more.