What is the current value of this 1937 Martin D-18 guitar?

Subscribe to the ANTIQUES ROADSHOW on YouTube:    / @roadshowpbs   Does the value of this antique 1937 Martin D-18 acoustic guitar still hit a high note in the current market? Find out now in a sneak preview of ANTIQUES ROADSHOW "Vintage Raleigh 2025, Hour 1," premiering Mon, Sep 29 at 8/7C PM on ‪@PBS‬ , the PBS app, and right here on YouTube! Watch more full episodes of ANTIQUES ROADSHOW at https://to.pbs.org/3tJsJkE. Enjoy full episodes of your favorite PBS shows anytime, anywhere with the free PBS app: https://to.pbs.org/2QbtzhR. Official Website: https://to.pbs.org/3f5Lkw3 | #AntiquesRoadshow Stay current with the latest previews, videos, and more from ROADSHOW each week by signing up for the AR Extras newsletter: https://www.pbs.org/wgbh/roadshow/new... FOLLOW ANTIQUES ROADSHOW: Facebook:   / roadshowpbs   X:   / roadshowpbs   Instagram:   / roadshowpbs   TikTok:   / roadshowpbs   Threads: https://www.threads.net/@roadshowpbs #antiques #vintage #PBS #antiqueroadshow #appraisal #sneakpeek #preview #trailer #vintagetelevision #martinguitar #martinguitars #vintageguitar #antiqueguitar #vintageguitars #antiqueguitars #acousticguitar #guitar #guitarcollector #guitarcollection