50-1000 USD or more depending on specifics
Check out John Stimpsons's website.
$350-$600, depending on barrel, accesories, condition.
500 USD; 1966
In excellent condition, WITH adjustable barrel weights and compensator, around $900.
100-1000 USD
Lets start with the fact that you have a Hi-Standard first model supermatic that was made in the year 1952.The first model was made from 1951-1953.For a First model with between 60%-90% of its original finish remaining,the price is between 175-415 dollars.Your supermatic could be had with either a 4 1/2in or 6 3/4in barrel.These could be had with both weights and filler strip.if this is present your supermatic will increase in value by 250 dollars.
1957
You must provide a detailed description of the weapon, the magazines, the weights, any boxes, the finish on all, etc.. Without pictures or a hands on examination the best range I can estimate would be 100-1000 USD, give or take.
50-500 USD depending on specifics
1957, 100-1000 USD depending on specifics
SUPERMATIC TOURNAMENT MILITARY - $125-550 - depending on condition, if it has "MODEL 106"/"MILITARY" on it, a few dollar more, but without more detail or serial numbers...