| The picture shows a view of this Old Blairs Keystone Tablets Advertising Celluloid Pin Back Button. It pictures a colorful company flag with logo. The front of the pin is marked as follows: BLAIR 1878
HOUSE FLAG OF J. C. BLAIR CO. MERIT IS THE TRADE MARK OF SUCCESS
BLAIR'S KEYSTONE TABLETS There is a paper insert in the back that reads as follows: THE WHITEHEAD & HOAG CO.
NEWARK, N.J.
PATENTED JULY 17, 1894, APRIL 14, 1896, JULY 14, 1896
UNION LABEL
ALLIED PRINTING TRADES COUNCIL
NEWARK, N.J. The pin back button measures 7/8'' wide and is in near mint condition. | 
