Enhance each mailing, book or gift with your own style by adding the Modern or Stylish monogram to your stamp. Available in letters A-Z, the monogram letter is available in Classic Black, Radiant Red, Blissful Blue and new colors Pretty Pink, Gorgeous Green and Perfect Purple.(The address or other text of your stamp will always appear in black.)? 4 lines of personalization? Up to 17 ALL CAPS and 20 with upper/lower case number of characters each line? Up to 20,000 impressions? Imprint 9/16 x 2-3/8