Guest,
The Model 52 was introduced in 1920 by Winchester and underwent many variations throughout its production run untill 1980. The condition of your rifle is going to dominate its value estimate. I have seen some
excellent rifles in the $3000 range. But I ahave also seen the prices all the way down to $600. That is a large gap. Some photos or a detailed description would be needed to narrow things down a bit more.
There is a pretty good history and explanation of the rifle at
http://en.wikipedia.org/wiki/Winchester_Model_52
Good luck
2bit
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