The value of this will depend on the market. You can take it in to your local pawn store to find out the current value.
100-500
1500.00
100-300 USD
the 740 is a very old model, they sell for $250- $350 in this area
You will have to contact Remington.
Here this listing of serial #'s fir the Remington Woodsmaster 742Serial Number Blocks:1951-1967 1,000-541,0001968-1975 6,900,000-7,499,9991975-1978 A6,900,000-A7,499,9991978-1981 B6,900,000-B7,499,999Just Find where you number falls in line with.Hope this helps
Contact Remington on their web site. Your question is impossible to answer without the caliber of the rifle
www.cabelas.com www.cheaperthandirt.com proably eBay
http://remingtonsociety.com/rsa/questions/barrelcodes
$400.00
It depends on what caliber it is chambered in.
Assuming it is the Model 81 Woodsmaster, excellent condition examples in .35 Rem are bringing more than $400. sales@countrygunsmith.net