(Hockey Card Collectors Please Read Question)?

I have some hockey cards that are ringing bells in my head and I want to know if I have some valuable cards in my cllection:

1- Showcase Prospects 2005 limited to 99 Sidney Crosby Autographed Rookie Card (Team: Rimouski Oceanic) Self graded to be a 9.9/10

2- NHL Pro Set The Mask 1991 Patrick Roy Autographed Hockey Card(Team: Montreal Canadiens)CC2

3- NHL Pro Set 1990 Mark Messier Hockey Card(Team: Edmonton Oilers)91

4- Upper Deck Mcdonalds Grand Moment 1998 (October 15,1989) Wayne Gretzky Hockey Card(Team: Edmonton Oilers) Career point 1,851 M7

5- NHL Pro Set 1990 All Star Game Career Point Leader Gordie Howe Hockey Card(Team: Hartford Whalers) 654



Ok so please let me know if you guys or girls know of a price that they would sell at and if they are valuable



All of them are atleast 8.9/10 except for the patrick roy mask card which is a 7.8(Hockey Card Collectors Please Read Question)?
Pro set cards hold more vale to someone trying to start a camp fire than a card collector. They were mostly overproduced that's why there are still thousands of un opened cases lying around in warehouses and in the back of card shops