Martin Guitar on Twitter: "The AmericanMusical Martin Guitar Custom Shop run of D-18's with flamed or quilted mahogany. Hand selected Adirondack top with rosewood binding and a matching flamed or quilted headstock.
Martin Custom Shop D-18 Acoustic Guitar, Sinker Mahogany & Adirondack – The North American Guitar
Martin Custom Sinker Mahogany D-18 (2018)
Martin D-18 | The Music Emporium
I might have been crazy but I moved on! - The Acoustic Guitar Forum
2018 Martin Custom Shop D-18 Sinker Mahogany Sunburst > Guitars Acoustic | SS Vintage