50-350 USd
100-650 USD
50-500 usd
Not recommended.
A letter from Browning will remove all doubt. Could be 57 or 67
Yes they do, it was a special run for Ducks Unlimited
You will have to call Browning to find out.
Acier special means Special steel, and barrels marked this way are only on FN sales guns, not Browning. FN produced the guns for sale outside the US and were not imported to be sold by the Browning Co. The FN version is mechanically the same as the Browning version, but markings and finish may be different.
No serial number = no way to answer. Call Browning.
Need model information. You listed the barrel marks on a shotgun that are on many different models. Also need condition and details of the gun.
Sn can help. Contact Browning.
That marking just means "Special Steel". You need to find a model name or number to determine what it might be worth.