No, it will cost more to mail back. I would wonder why I got it. Check to see if your credit or debit card number has been used. Some identification thieves will use a very small amount to charge to your account and if that goes through they know it is valid. Then, they charge more in your name.
Yes, it is POSSIBLE, and you might be charged unless you can convince the investigating authorities that you truly did not know it and/or why you did not ask about it. If you are charged with Receiving Stolen Property the prosecution will have to prove that you knowingly accepted (received) the stolen goods.
Never Trouble Trouble - 1931 is rated/received certificates of: UK:U
He/she can be charged with Bigamy which is a felony. That is a lot of trouble. (and three mothers-in-law)
Trouble - 1933 is rated/received certificates of: UK:U
That could get you into legal trouble since it is illegal and you can be charged.
Jury Duty - 2007 Was Charged Double for Stereo Trouble 1-42 was released on: USA: 29 October 2007
Trombone Trouble - 1944 is rated/received certificates of: Argentina:Atp
Trouble for Nothing - 1916 is rated/received certificates of: UK:A
Agent trouble - 1987 is rated/received certificates of: Iceland:L
Body Trouble - 1992 is rated/received certificates of: USA:R
Asking for Trouble - 1914 is rated/received certificates of: UK:U
Tropical Trouble - 1936 is rated/received certificates of: UK:A