This ought not be too difficult a crack. Might require some nifty guesswork, though.
As is evident, this is a US currency note that was valid tender for sometime after its first issuing in 1857. Now, this happens to be one of the few of its kind to feature a very specific individual, whose existence has been a question of such hot debate that even the Forbes magazine has once had to give in to the demands of a very specific demographic and withdraw the individual’s name permanently from one of the many lists it publishes.
Simply identify the gentleman who, along with his mode of transport, has been blocked out of this photograph.
Happy quizzing, and have a nice life, folks!
Biswapriya Chandra and ali are correct. The blocked-out gentleman is indeed Santa Claus!