What is the worth of a 1973 12 ga Browning Citori that condition is better than 90 per cent and very tight Thanks?

Not an expert in this area but I just bought a 1974 ( year 2 production of the Citori) o/u with fixed 26" barrels, IC and Mod chokes rated at 95% for 750.00 Hope I didn't pay too much but these were very well made guns as you know. I think I saw an early ad posted on the net that they retailed for 330.00 when made-