Alvarez 2551 Silver Annerversary Guitar in Mint Condition. 

Specs:

Best Sitka solid spruce top

Dynamic solid spruce bracing

Indian rosewood back and sides

Genuine Mexican Abalone shellsurrone sound hole

diamond inlay on fretboard

New Martin SP strings

Set up to specs.

20 frets

Serial No. 620328

The dimensions of the guitar are; upper bout- 11 " , lower bout- 15 1/2" , thickness @ lower bout-4 3/4"

The guitar could be classified as an OM  or Concert Style guitar.