These guns have recently been selling for right around $4000
As far as I can ascertain all Browning final tribute auto-5 shotguns had elaborate engraving on their white receivers,including having 1 of 1000 engraved on them.
We have not ever heard of a one of 500 Final tribute. Recommend you contact browning customer service http://www.browning.com/customerservice/index.asp
Blue Book of Gun Values, \\
100-1000 usd
100-1000 usd
100-1000+ depending on specifics.
1000 USD
100-1000 usd
100-1000 usd
100-1000 USD or so
700-1000
100-1000 usd