safebooruhttps://safebooru.org/index.php?page=atom&tags=1970s (style) concept art gun gundam heat hawk insignia machine gun machinery mecha mobile suit mobile suit gundam no humans official art one-eyed ookawara kunio painting (medium) production art promotional art realistic retro artstyle robot scan shield shoulder spikes spikes traditional media weapon zaku ii2024-05-29T01:42:32Zsafebooru