between 375-450 dollars,for your shotgun showing between 90%-95%of its original finish,and a good bore.
Your Winchester model 59 in the stated mint condition will bring between 450-525 dollars on todays market.
I have just bought a box of the 125th anniversary Winchester shotgun shells for $25.00 Canadian. I have found a box for $70.00 Canadian also. The box that I just bought is in very mint condition hope this helps you.
I am assuming you have a standard grade Winchester model 12 shotgun?With that being the case your model 12 in mint condition(90%) original condition should be worth 475-500 dollars.
About $200
The value of a winchester model 101 all depends on its condition. In poor condition it could be worth $400.00. in excellent mint condition it could be upwards of $2500.
The value of a Stevens 22 Model 58 shotgun depends on its condition. In mint condition, this shotgun is valued at about 450 US dollars.
50-500 usd
If your Winchester model 1906 rifle is in near mint condition,having between 80%-90% of its original finish remaining.Then the value will be between 675-925 dollars.
$100 in mint condition
50-500 uSD
$1500
According to the the Blue Book of Gun Values 19th edition(which was published in 1998) your shotgun was manufactured by Winchester for sears and is a model 1200. The 100%(mint condition) value for a field model is listed as $220. The values rise slightly from there as the grades and options improve.