What is the value of a Remington Wingmaster Model 870 - 114031AV in excellent condition?

A standard Wingmaster (mfg 1950 to 1963)

Exc V.G. Good Fair Poor

250 225 200 150 100 870 Field Wingmaster (mfg 1964 to present)

NIB Exc V.G. Good Fair Poor

550 450 300 225 150 100