1958 Topps #487 Mickey Mantle All-Star baseball card in plastic card holder

1958 Topps #487 Mickey Mantle All-Star baseball card in plastic card holder

Sold to me by private seller who's husband was the original owner before passing away. Seller indicated that card had been stored in protector most of its 'life'.

Not yet formally graded though several collectable dealers indicated card would likely receive an 8.5 grading from a card grader. Not familar with Mickey Mantle's career or popularity as he was a bit before my time. I purchased because of the card condition, vintage and because I do know that he was inducted into the baseball hall of fame. Hoping you could tell me what the market/replacement value is to see if it's worth grading or insuring.