SD GUNDAM EX-STANDARD RX-78-2 Gundam: ADDED New Big Size Official Images, Info Release 31 July 2015 by Gunjap SD GUNDAM EX-STANDARD RX-78-2 Gundam: ADDED New Big Size Official Images, Info Release SD GUNDAM EX-STANDARD RX-78-2 Gundam Release date: September 2015 – Price: 600 Yen