100-1000 or more
They can vary from a few hundred to thousands of USD
Single shot, bolt action, pump, semi-auto,
Many .22 caliber rifles made before 1968 did not have serial numbers. This would include your Marlin 100.
Remington
No such thing exisits.
Assuming that we are talking about the Marlin model 100 series of single shot 22 caliber rifles,these were promo models that are valued at 55-100 dollars today.They were made from 1936-1941.
50-75 USD
There are many different types. There are pistols, rifles and shot guns. Pistols can be semi auto or single shot or a revolver. Rifles can be semi auto or full auto or bolt action or single shot or lever action. Shotguns can be semi auto or pump or single or double shot.
$50-$85, depending on condition
Depending on condition, $25-$100.
With soap and water.
The value of a .22 caliber single shot Mauser gun depends on its condition. This gun in mint condition is valued at around 150 dollars as of 2014.