Just received mine yesterday, this fine replication of the tshirt worn by Robbie in Scream 4. It was put together by fan Nick Meece and is available through Cafepress for USD $15.99. Unofficial, but pending official Scream tees, demand will always attract supply.
Possible purchasers can scope out fan-shot photos and feedback on the USMB thread, and can compare it to the real deal by checking out our latest StabFlix update:
You can also get the actual same type jacket Robbie wears, from Amazon: