Is Best Drop Legit?

[ExoticButters]

[Removed the link]
I have won an AK-47 | Vulcun and a Gut Knife | Boreal Forest.
Im able to withdraw but once a click trade, it says:
The trade offer does not exist, or the trade offer belongs to another user.

Does this mean something? I traded my music kit so i was able to withdraw themm. Does that mean i lost it?

[<Xeon>]

all right, thx

[armyman]

Also please remove the link to the site. Once you open it (in chrome), it asks you to install a missing certificate so I suppose nobody should click on it.

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i used a promo code to get $10 and won a dragon lore but once i hit withdraw it says i didnt deposit $10 rip scam right?

[ExoticButters]

Ok