1852 AUGUSTUS HUMBERT $10, HUMBERT MS60
VERY RARE IN MINT STATE. ONLY 3 GRADED HIGHER AT NGC.
NGC Graded Higher:
In 1852, rubber ear pieces and rubber tubing were first added to the stethoscope by Dr. George Cammann. The new design allowed for a better transfer of sound, greatly improving the medical device. This 1852 territorial gold eagle recalls the improvement of a device that has gone essentially unchanged since.