The Colt match target .22 with serial number 220044-S was made in 1966.
best let a gunsmith dissemble & clean it
You will have to call Colt. 50-225 USD
value is based on overall condition, model and serial number........................
50-275 USD or so
try: edssportshop.com
Without more infomation; 10-1000 USD
$50 - $100
Colt woodsman 22, about $500.
Don't know the value,but was produced around 1950
10-175 usd
Depends on the pistol. Typically 10 rounds for a Colt Woodsman.