FINE ANTIQUE MINIATURE POCKET GIMBAL NAUTICAL COMPASS- SCARCE SALESMAN SAMPLE?

Description

RARE MINIATURE/ POCKET NAUTICAL COMPASS, A SUPERB EXAMPLE FROM THE 19TH CENTURY IN GOOD AESTHETIC AND WORKING ORDER.  DUE TO SCALE, IT IS POSSIBLY A SALESMAN SAMPLE [MORE LIKELY A POCKET COMPASS].  THE GIMBAL IS OPERATIONAL, KEEPING THE COMPASS LEVEL AT ALL TIMES.  THE DIAL IS MOTHER OF PEARL WITH HAND PAINTED INLAY.  IT IS FINELY CONSTRUCTED, AND FUNCTIONS AS WELL AS LARGER COUNTERPARTS.  THIS IS THE ONLY EXAMPLE I COULD FIND THROUGH THOROUGH RESEARCH [FOUND A LESSER EXAMPLE, BUT NOT WITH THE QUALITY OF CRAFTSMANSHIP].  PLEASE REFER TO THE PHOTOS FOR FURTHER DETAILS.
THANKS!