100-400 USD
Just purchased one gently used for $ 1250.00 USD.
My Franchi 20 ga O/U is modeled on the Falconet.
All depends on the model and condition.
http://www.barrelexchange.com/srch_1.cfm?manuf=Franchi&ga=12+ga.&Submit=Search
Franchi
Yes.
I recently ordered a two barel set (20 & 28 ga.) Franchy Veloce Squire LTT Edition with hard plastic case, three chokes for each gauge and a cleaning kit for $2,350. I think it is a good price for the set,
That model name does not show up in the books. Your best bet is to take the gun to a gunsmith for professional appraisal since the model and condition of the gun will significantly affect the value.
ABOUT $300-$350, depending on exact condition, box, papers, etc.
1000.00 20 ga.
10-100 USD.
your browning auto-5 lightweight 20 ga was made in 1963.As to value they are going between 450-650 dollars depending on condition.