Winchester never made any rolling blocks. It's no good, send it to me.
Well, if it is indeed a Winchester 1885 in 22LR, it would depend on which Model 1885 it is. There are two possibilities. Winchester 1885 High Walls in 22LR are very rare and can fetch a large sum, possibly up to $15,000 if in good condition. Winchester 1885 Low Wall rifles in 22LR are fairly common, and can fetch a nice sum, from maybe $800 in so-so condition up to $1,500 in good condition. The way to tell the difference is that the Low Wall receivers are smaller, and have a graceful, fluted shape to them that exposes the top 1/3 or so of the breechblock, whereas the High Wall has a more robust receiver that completely encloses the squared-off breechblock.
The Winchester 1885 High Wall
falling block action was designed by John Browning in 1876, the Low Wall was a later adaptation of the design for use with less powerful cartridges.