UNCANNY X-MEN #122, 123, 124 - (3 in Lot) - (1979 - MARVEL - US Price & UK Price Variant) - Includes First appearance of Mastermind as Jason Wyngarde + Spider-Man, Luke Cage, Misty Knight, Colleen Wing, Mariko, Arcade appearances + Colossus becomes Proletarian - Dave Cockrum, Terry Austin covers with John Byrne interior art - Flat/Unfolded - a photographic condition report is available on request