The 4th Edition Blue Book of Modern Black Powder Arms - 2004 has this to say.
MSR=$221
100% = 180
98% = 145
90% = 90
80% = 70
Add $100 for shoulder stock
Pretty good revolver although Pietta is my last choice for a replica. I do prefer the Uberti myself.
With the instability of the $$$ on the international money market, the Euro has really taken off in value the last few years and makes these numbers almost meaningless. As was mentioned previously, you might want to check Cabela's or Dixie or whatever to see what the current value of a NIB revolver is and transpose from there. That will give you a good base to judge value.
As FG1 said, the trigger pull will probably be a bit stiff. Also, it will probably shoot a bit high at 25 and 50 yards. And you just gotta love Col. Colt's famous, patented disappearing rear sight. Not quite like the ROA you are used to.