I would purchase it for $1,500.
It all depends on demand, how much somebody is willing to pay for it. However in the hockey card trading world a mint condition o-pee-chee rookie is worth...
I've seen these sell on eBay before and it was nowhere near the price that the previos poster gave you. I've seen them sell for between $10-$30. I don't know where the previous price came from but...