How to sell a high-value card?

I would appreciate some help and guidance from those who have done this before (even step-by-step if you could).

I am the guy that pulled the #10/10 Konnor Griffin Topps Chrome the other night and have decided to sell it. I am a Tigers' fan, so not something I want to keep.

Some background, for me, is that I have never sold something on Ebay, but I do have 100% feedback on 151 purchases.

On one hand, if feasible, I am "O.K." posting it to Ebay with large purchase price and just taking best offer (but, again, need to know how to do this). I am also alright with just contacting an auction house/consignor.

Please help.

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u/BTR_Stepha — 9 days ago
▲ 858 r/Baseballcards101+2 crossposts

Did I just pull the biggest card of my life?

Straight from a GameStop Mega - I have never pulled a card so big!

I need serious help.

I see the #'ed 25s selling for around $3k. Then, I see Bowman 1sts #'ed /10 selling for $40+k.

Where the heck do I put this?

u/BTR_Stepha — 11 days ago
▲ 2.2k r/motorcitykitties+1 crossposts

[Video] Jeff Passan says Tarik Skubal will be traded and that the Dodgers are the most likely suitor

u/BTR_Stepha — 21 days ago
▲ 432 r/Mariners+2 crossposts

[OC] MLB Standings if the result of every one run game was flipped | All-Star Break

u/Adamscottd — 1 month ago

Did I inadvertently screw up the bonus?

I was doing the bet 20 and get $200 bonus with my wife and I do not remember this process entirely on my own account.

Am I right in assuming that its just the $200 in bonus bets, whereas when I did it personally it was $200 in FanCash?

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u/BTR_Stepha — 3 months ago