"The Challenger II series .22 Caliber Pistol was introduced in 1976 and ceased production in 1982. The Challenger II evolved into the Challenger III in 1983." from: http://www.browning.com/customerservice/dategun/detail.asp?id=31
It is a Challenger. A Medalist would have the product code of "T" in the sn.
This would be a Browning Challenger .22 pistol made in 1970.
50 - 400 usd
50-300 usd
100-400
1970
for magazines try: edssportshop.com
it 's a pistol build in the fifties.. the value depend of the general state.. between 400 and 650 dollar. Bring it to a gun shop to have a expertise. yours, a fan of the colt challenger.
about 1953
$300-$350.
100-250 usd