Ehrhardt, Roy, <br/><br/>
Production figures with grade and serial numbers and price guide to Hamilton Watch Co. / 
 Hamilton serial numbers and production figures with price guide 
by Roy Ehrhardt. 
 - 2nd edition. 
 - 64 pages :  illustrations ;  29 cm 
<br/><br/> Cover title. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Hamilton Watch Company.<br/>Hamilton Watch Company.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pocket watches--Prices--United States.<br/>Clocks and watches--Prices--United States.<br/>Pocket watches--Collectors and collecting--United States.<br/>Clocks and watches--Prices.<br/>Pocket watches--Collectors and collecting.<br/>Pocket watches--Prices.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States.
<br/><br/><label>Subjects--Index Terms: </label>Watch (general) USA Hamilton Reference watch