Roundish Brass Purse Locks with Key – New Old Stock!  We believe these were made in the 1950s; each comes with one original key.  Overall dimensions of the entire lock are about 2 inches wide by 3 inches tall.  Brushed brass finish is gold in color.  $30 each, USA shipping included.  This is item code LOCK-7

Lines in the photo are square inches, by the way.