Immortals VI: The Answer / Spector Art On a chilly Thursday ... Imagine catching a pass from Allen Iverson and then having that very ball autographed—a story any fan would cherish for a lifetime.

The latest player to receive such a tribute is Allen Iverson, the former point guard who became a fan favorite in the City ... the size of the piece of art has people buzzing.

A super rare Allen Iverson card just sold for a WHOPPING $701,500 at auction … obliterating the previous record for an A.I.