No such card exists.
100 bucks
What is the value of a ticket stub from Wayne Gretzky's last game? Unused
As of September 2012, the limited edition Wayne Gretzky retirement medallion has a value of $200usd.
About $25
around 1 billion dollars
about $5
The O-Pee-Chee card is a Canadian issue and had a much smaller print run than the Topps. Being that hockey is mostly a Canadian sport, all O-Pee-Chee hockey cards are usually more valuable than the Topps counter-issue. O-Pee-Chee is valued at about $900 where as the Topps is about $550.
1,000
In Mint value is $1.25
The Art Ross Trophy card with Wayne Gretzky on the front is worth $15 in most cases. This can depend on the condition of the card.
Rookie card: 1979 Topps Wayne Gretzky Rookie (#18) PSA Graded MINT 9 is valued at a minimum of $425 unsigned. Signed, it speculatively would add no more than an additional $250 at current market prices. Based upon the frequency of items signed by Gretzky and the fact he is still alive, only means the value will not rise for some time, even on a card in perfect condition.
$2500