I need some advise. I purchased a Belguim made Browning Auto 5 for made 1973 for $400. I sent it to Browning to be evaluated hoping to get the gun reblued. I got a quote back for $725. To place the gun in proper machancial order $177, Reblue $255, Engraving $255. With the money already spent in the purchase would the $725 be worth the investment?