1931 Martin OM-18

Serial # 46809

Details: Top - Adirondack spruce
Back and sides - Mahogany

The original bar frets are still on this instrument. The only non-original thing on this instrument are the tuners; the replacements are Waverly tuners with ivoriod buttons. The original tuners were probably banjo style. Martin name is stamped on the back of the headstock.
Purchased by Original Formula in 1997. Used on several of their albums. Robert used this instrument exclusively on the album Sound Doctrine.

1948 Martin D-28

Serial # 104098

Details: Top- Sitka spruce
Back and sides- Brazilian rosewood

pickguard

This instrument was formerly owned and used on recordings by Doyle Lawson. Purchased by Original Formula in 2001. Used on some of Original Formulas Albums, dominantly on the album "Live At The Rex Theater."

1964 Gibson J-45

Serial # 172115

Details: Top- Sitka spruce
Back and sides - Mahogany

Headstock script

Purchased in 1992. Used on several of their albums. Alton used this instrument exclusivley on the album Sound Doctrine.

1989 Martin HD-28

Serial # 492896

Details: Top - Sitka spruce
Back and sides are Indian rosewood.
bridge, saddle

pickguard

1994 Santa Cruz TR

Serial # 1446 R

Details: Top-German spruce
Pickguard, bridge and saddle
Back and side woods are Indian rosewood

2002 Gibson AJ " Luthier's Choice"

Serial # 00602047

Details: Top- Adirondack spruce
Back and sides- Brazilian rosewood

MOP fretboard and headstock

2005 D-18 Golden Era Sunburst

Serial # 1056455

Details: Top Adirondack spruce
Back and sides- Mahogany

2005 Gibson Nick Lucas Elite Custom

Serial # 03175033

Details: Top Adirondack spruce
Back and Sides- Curly Maple
Fretboard and Headstock

"We had this guitar custom ordered from the Gibson Custom shop with all the appointments of the
Nick Lucas Elite. The custom wood is the Adirondack Spruce top.