1960s-1970s NHL Hockey cards - Grading?

Hello from the coin and precious metals forum 
I have a client who wants to liquidate his collection of NHL Hockey cards, some rarer cards such as Bobby Orr's rookie card. They appear to be in nice shape, but I am pretty clueless on grading sports cards. Any thoughts as to the best TPG to use to get them slabbed? I am located in Canada and will likely be listing them all on Ebay. Thanks!

I have a client who wants to liquidate his collection of NHL Hockey cards, some rarer cards such as Bobby Orr's rookie card. They appear to be in nice shape, but I am pretty clueless on grading sports cards. Any thoughts as to the best TPG to use to get them slabbed? I am located in Canada and will likely be listing them all on Ebay. Thanks!
http://stores.ebay.ca/Mattscoin - Canadian coins, World Coins, Silver, Gold, Coin lots, Modern Mint Products & Collections
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#1 - Use PSA, and PSA only
#2- Do not use KSA, Beckett, or SGC
#3- If confused, see number one
Best of luck with everything.
<< <i>Pretty simple here.
#1 - Use PSA, and PSA only
#2- Do not use KSA, Beckett, or SGC
#3- If confused, see number one
Best of luck with everything. >>
Way to have an open mind...
Best of luck whoever you decide to go with, but you will only get one answer on these boards.
You definitely need to have cards like the Bobby Orr graded.
Good luck.