Antique Vintage Kratt The Master Key Chromatic Pitch Instrument A-440 In BOX

SCARCE ORIGINAL in EXCELLENT condition and the exact product and packaging as on the Smithsonian Institute’s americanhistory.si.edu page regarding US Patent 1538336 and 1796795 taken out in 1925 and 1928, respectively, for the pitch pipe by William Kratt Co.

Photos are accurate depiction of condition. If you have any questions, please ask. Thanks for looking!!

Ships with USPS Ground Advantage. I do combine shipping on items purchased and/or won at auction at the same time. May not be possible with large or odd shaped items or glass.  Please message me before paying. Thank you.