$300 - $900 depending on condition
No it's not.
Only if the plastic is made out of gold.
It's standard listing is $7 but it often sells for more.
I deal typically with melt value, your coin is worth about $1.81 melt value with 80% silver. However, you may want to check this coin on Ebay coins to see if it is worth more as a collectible.
Since you can't remove it without damaging it, it really has no effective collector value. In any case 1936 is a fairly common year for buffalo nickels* - if you could get it out of the plastic it might sell for a dollar or two.
$1 billon worth of plastic
The baseball card had no worth. "What is your baseball card worth?" he asked.
it depends who's drinking it somebody with $1000, or somebody with$1
Plastic, wooden or metal?
How much is an videoplastic keychain worth
$1.49 is the worth of the Don Slaught baseball card.
$30