BASSOON PATENT PRINT CHALKBOARD 11" x 14" POSTER

Bassoon Patent Print 11" x 14" Reproduction of original patent for a bassoon Bassoon patent was filed by William C. Polisi June 13, 1961 Patent issued July 28, 1964 by the US Patent and Trademark Office Printed on acid-free heavyweight chalkboard matte paper Printed using archival inks meant to last years 11" x 14" Great condition Non-smoking environment