50-1000 usd
Browning worked with Winchester in designing several firearms, including the model 1886 rifle. Click on the 'John Browning' link on this page to read a short biography of him and his designs.
4570 g = 4570000 mg
There are 1000 millimetres in one metre. Therefore, 4570 millimetres is equal to 4570/1000 = 4.57 metres.
There are some picture on the browning web site
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Maker and price
It could be considerable depending on the rifles overall original condition.If your rifle has not been changed from its original condition,anywhere from 2,000-4,250 dollars.
Assuming that milemmeters is really millimetres, 4570 mm = 4.57 metres.
10-1000 USD depending on specifics.
4570