WE HAVE UP FOR YOUR CONSIDERATION AND offer THIS PAIR OF VINTAGE ORIGINAL MARTIN MANDOLIN & OR KNUTSEN HARP MANDOLIN PLANK TUNERS FROM AROUND 1910, VERY RARE. DURINGOUR RESEARCHWE FOUNDSIMILAR PAIRS THATMOUNTED FROM THE FRONT ON A MARTIN MANDOLIN, THEY ALSO SHOW THEM ON A MARTIN ZITHER ON THE MARTIN MUSEUM WEBSITE.THE ONLY OTHER INSTRUMENT I FOUND THIS TYPE ON IS A KNUTSON HARP MANDOLIN BECAUSE THEY WERE NOT USED ON MANY MODELS AND THEYHAD VERY UNUSUAL STRING POSTS. THERE IS NO NAME STAMP ONLY NUMBER STAMPS OF 74 ON ONE AND & 156 ON THE OTHER. BUTTON MATERIAL ???. CONDITION ISAGED BUT GOOD, ONE BUTTON IS CRACKED BUT INTACT AND THEY FUNCTION AS INTENDED. THESE TUNERS HAVE A BEAUTIFUL MACHINE ETCHED FLORAL DESIGN AND MEASURE 4 1/4\" LONG, 1 5/8\" WIDE FROM TIP OF BUTTON TO THE OTHER SIDE OF PLANK.

DON\'T MISS OUT offerDING ON THIS VERY RARE PAIR OF VINTAGE ORIGINAL PLANK TUNERS. THEY WOULD BE A GREAT ADDITION TO YOUR COLLECTION OR AS NEEDED FOR A REPLACEMENT. THANK YOU FOR VIEWING OUR AD. CHECK OUT THE PICTURES FOR THEY ARE AN IMPORTANT PART OF THE DESCRIPTION. SOLD AS IS! NO RETURNS! PAYMENT IS EXPECTED AT END OF SALE BY PAYPAL ONLY!

HAVE A GREAT DAY AND HAPPY offerDING!