My advice is to check with a card or memorabilia dealer in your area or consult a a card guide such as Beckett's.
it depends on what type of rookie card it is
What is the value of a psa 7 dave keon rookie card ?
on any reprint it will have the year it was reprintedon the back of the card is small type on the side or bottom. If its laminated, dead givaway its a reprint.
The value of a Kevin Jones rookie card will depend on the condition and the brand of card. On average, a 2005 Leaf rookie card is worth an estimated $1.00.
value of # chipper jones emotion rookie card fleer/skybox card.
The value of an Emmit Smith rookie card will depend on the brand and also the condition of the card. On average, an Emmit Smith rookie card is worth an estimated $ 74.97.
A Dennis Rodman rookie card is worth about $50.00.
Junior Seau's rookie card has an average value of $ 14 to $15, based on the condition of the card.
Maurice Vaughn card 674 how much
The 1973 Topps Rookie Third Baseman card number 615 that features Ron Cey is not his rookie card. It is Mike Schmidt's rookie card and has a book value of $120.00 in near/mint condition. Ron Cey's rookie card is the 1972 Topps card number 761 -"1972 Rookie Stars"