No, make that Mac OS 9.2.2, which includes Finder 9.2.2 and
Classic 9.5.0.
Heh! Yes, I just realized this morning that I didn't get it right, either.
9.2.1 was the last retail release. 9.2.2 was the last official version, but only exists as an update for Classic on those Macs which came with both OS X and OS 9 to run as Classic.
Hagarhun,
As Texas Mac Man noted, you can just copy OS 9 from a Mac with that installed. That's what I used to use for Classic. I did a clean install of 9.2.1 from my retail disk onto a 7600, and then copied it to a G4 tower. From there, OS X would do the small updates to 9.2.2 the first time you ran Classic.
Otherwise, if your Mac came with OS X, there should be a installer package on one of the gray disks (usually the last one) that has a name something like, "Extra Software". That's the copy of OS 9 that came with your Mac.