1963 Gibson B25 -12 String with Pick up surface mounted pick up.

This guitar was used for years as a Studio Guitar and has been 0n numerous recordings.

Great Sounding.

Gib2560145
The factory specifications for the 1963 Gibson B-25-12 String acoustic guitar—matching the features of the instrument provided in the photos—are summarized below:Body & Construction

• Body Style: Grand Concert / "00" Small Body size
• Body Width: 14.25 inches
• Top Wood: Solid Spruce (with X-bracing)
• Back & Sides Wood: Solid Honduras Mahogany
• Binding: Multi-ply top binding, single-ply back binding
• Pickguard: Thick tortoise-shell tear-drop pickguard
• Finish: Gloss Cherry Sunburst nitrocellulose lacquer finish 

Neck & Fingerboard

• Neck Wood: 1-Piece Mahogany
• Neck Profile: Rounded, wide "C" to "D" shape carve
• Scale Length: 24.75" (Short Scale)
• Fingerboard Wood: Brazilian Rosewood
• Fingerboard Radius: 12"
• Number of Frets: 20
• Nut Width: 2" flat-feeling wide nut (specifically engineered for comfortable 12-string spacing)
• Inlays: Pearloid Dot position markers

 Hardware

• Bridge System: Rosewood pinless rectangular bridge with an adjustable ceramic or wood saddle
• Tailpiece: Nickel Trapeze Tailpiece (installed factory original on early 12-string models to relieve soundboard tension)
• Tuning Machines: 6-on-a-plate Kluson Deluxe tuners with plastic cream oval buttons
• Headstock: Classic tapered blackface peghead featuring a gold screen-printed block "Gibson" logo 

Electronics & Modifications

• Pickup: Originally manufactured as a purely passive acoustic instrument. The specific instrument in the pictures features a vintage, aftermarket Barcus-Berry wood-block piezo bridge transducer pickup glued onto the bridge base, routed out via a custom output wire. 

If you want, I can look into:

• Tracking down the production ledger records for serial number 560145 to pinpoint the exact month it left the Kalamazoo factory.
• Giving you tips on how to safely maintain the vintage nitrocellulose finish and checking for lacquer checking.