Without any more information, you question is almost impossible to answer with any real degree of accuracy. Value will depend on where you live, how bad you want to sell it, condition, finish, accessories, box, papers, engraving, barrel length, detailed description of all markings, stock wood, etc.. You could be in the 15-200 USD range.
value of Remington targetmaster model 41 cal 22rifle
A Mossberg 22 rifle such as the Plinkster depending on the condition is worth around $150-200.
50-100 USD
50-150 or so
6000 euro
250
Seldom exceed 100 USD
the model 90 is a much cherished little 22 cal rifle. value depends on condition. $300 to over $1000
0-100 USD or so
10-1000 USD depending on specifics
50-2000 USD depending on specifics
50-300 usd