The nickel is presently worth about 30 cents as scrap metal.
A nickel weighs 5 grams and is 75% nickel and 25% copper. Nickel's price is $7.61 / pound http://www.kitcometals.com/charts/Nickel.html, while copper is $3.53 per pound http://www.kitcometals.com/charts/copper.html.
Entering "($7.60 per pound * 0.75 + $3.53 per pound * 0.25) * 5 grams" into google gives $0.073 per nickel for the scrap metal value.