US Eastern Tailed Blue Butterfly Non Machinable Forever Stamp Scott #5136. $119.95 The envelopes are charged a non-machineable surcharge even if they weigh less than 1 ounce. 10 Blue Butterfly Postage Stamps Eastern Tailed-Blue Butterfly Unused $1.27 Stamps For Mailing Heavier Wedding InvitationsFace Value: $1.27 (non-machinable surcharge/extra ounce rate)Scott No. This 2016 stamp depicts a first-generation male, which displays the species’ brightest coloration. These elegant butterflies stamps will add an enchanting personalized touch to your blue and white wedding invitations, save the dates, or greeting cards.Postally Yours,Patrick Non-Machinable Stamps: The Basics - Little Postage House It will be for use on irregularly sized envelopes, such as square greeting cards, invitations and announcements. These envelopes cannot pass through the automated Postal Service processing system and have to be hand-cancelled. These nonmachineable surcharge stamps will be issued in panes of 20., The words “NON-MACHINEABLE SURCHARGE” on the stamp indicate its usage value. The square stamp, which was initially announced in August without technical details or an issue date, depicts an eastern tailed-blue butterfly The U., S. Each year sees two or more generations, the latter being less colorful. Wedding Stamps Butterflies Blue United States Stamps For Sale Heart Stamp The square format of the stamp was developed in collaboration with the greeting card industry specifically for oversized or square envelopes. The Eastern Tailed-Blue butterfly (Cupido comyntas) is named for the iridescent blue color of its upper wing surface, more vivid in the male, and for the short, thread-like tail on each hind wing. Details on the date of the stamp issue will be forthcoming. Nationally acclaimed artist Tom Engeman created the stamp design on a computer using images of preserved butterflies as a starting point. Like a Forever stamp, this stamp will always be valid for the rate printed on it which is 71 cents as of January 2018., For use on irregularly sized envelopes, such as two-ounce letters, square greeting cards, invitations, announcements