Ehrhardt, Roy,
Illinois Springfield watches : identification and price guide /
Roy Ehrhardt.
- 136 pages : illustrations ; 29 cm
Includes index. Cover title.
Illinois Watch Company.
Illinois Springfield Watch Company.
Pocket watches--Prices--United States.
Clocks and watches--Prices--United States.
Pocket watches--Collectors and collecting--United States.
Illinois USA Ehrhardt, Roy Watch (general) valuating