|Advertising pin-back buttons are
a colorful & entertaining way to study the last 100+ years of American
paper-over-metal buttons were patented by Whitehead Hoag Manufacturing
Co. of Newark, New Jersey in 1894 and 1896. Many buttons manufactured
more recently still show these patent dates.
Buttons shown at these links are displayed at 100% of their actual size--if your screen is set to 800 x 600 lines of resolution.
Each small button is a hot link to an enlargement showing finely printed details you might miss in the smaller version.