BrickLink - Part 49663pb01 : LEGO Minifigure, Headgear Helmet Space, City Astronaut with Black Neck Base Pattern [Minifigure, Headgear] - BrickLink Reference Catalog
Lego Blue Minifig Helmet Space Town Thick Chin Strap Simulated Crack | eBay
Space themed lego pieces - General LEGO Discussion - Eurobricks Forums