These vintage black glass buttons vary in diameter from 3/16" to 3/8".  The two larger buttons, gold & silver accented, have 4-way box shanks with grooves.  The smallest button, black faceted, has a four way box shank.  The shanks date these buttons from pre 1914-18 to 1938, respectively.   Add these great specimens to your collection today.  Price is for 3 buttons.