Tell Me About This Board

I'm a longboarder, but recently picked this up for $30 at a garage sale:


How is a board like this different from the normal epoxy boards that I see? What are the advantages and disadvantages of a board like this?
Thanks,
Al


How is a board like this different from the normal epoxy boards that I see? What are the advantages and disadvantages of a board like this?
Thanks,
Al