I’m usually smart with stuff like this.. but im not sure… I’m selling sub woofers on Craigslist for $250.. and i got this response. what do you think?

Dear seller,
I’m Interested in buying your item for a co-worker of mine who has just been transfered to west africa on an Assignment Duty.i wonna get it as a Birthday Gift,Tell me the actual condition item and the total cost of the shipping via Usps Global Express mail(EMS) 3-5 Days Delivery.I will offer you $450.00USD including shipping to west africa.Paypal will be my best means of Payment.Your Urgent Response will be Highly Appreciated