Hi,
Nice job! It looks like the real deal. It is nice to see that TRS copied the crude engraving on the locks, which is authentic.
JMF, usually the tumbler hole position is well defined but all of the other witness marks need to be checked before using. When you build a TRS lock set, first make sure the lock plate is not warped and that the inside surface is flat. True all that up before doing anything else. Then clean up all the parts before doing any assembly but use care not to file off too much. Just get rid of the sprue and flashing and flatten surfaces that should be flat. Next, true up the tumbler sides and spindles. Once that is done, you are ready to drill the tumbler hole in the lock plate. Drill under size and ream, stone, or lap the tumbler fit. Then you can check how other parts fit, check the accuracy of the witness marks and use or ignore them if appropriate. Drill and fit one part at a time.
dave