Celtic manager Neil Lennon insists it will take "proper money" to prise striker Gary Hooper or any other of his star players out of Parkhead.
Hooper, 23, has been the subject of two rejected bids from Southampton so far and the Irishman appeared to have Andy Carroll's fee in mind when he joked about his valuation of Hooper as "£35million".
He said: "Whether people think the fee is justified (or not) it's not the player's fault. But we look at that, we look at some of the other prices being bandied about."
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