This is a brand new, factory sealed, officially licensed Nickelodeon/Teenage Mutant Ninja Turtles Art Print. This is a limited edition item. The full edition size is 995 total prints. Here is the direct description quoted from the manufacturer:

"The turtles turn 40! This purpose made celebratory art print features the 4 Teenage Mutant Ninja Turtles with a black and white illustrative design complete with highlighted bandanas. Produced on 300gsm textured paper at one of the oldest printers in the UK, this officially licensed Art Print is limited to only 995 worldwide, hand numbered and supplied with a certificate of authenticity. This Art Print is A3 in size. "