A-5
The A-5 is modeled after a one-of-a-kind instrument made by Lloyd Loar, the Gibson acoustic engineer who designed the F-5. The A-5 brings all the features of an F-5, including the extended neck, to an A-style body.
http://www2.gibson.com/Products/Acoustic-Instruments/Mandolin/Gibson-Original/A-5.aspx