California Dogface Butterfly Stamp (Non-Machineable for Square Envelopes)
The California dogface butterfly (Zerene Eurydice) is only found in California and was designated as that state’s official state insect in 1972. The male butterfly…
Colorado Hairstreak Stamps(Non-Machineable for Square Envelopes)
These colorful square non-machineable surcharge colorado hairstreak stamps were developed in collaboration with the greeting card industry. Its uses are on irregular-size envelopes. Such as…
Lunar New Year: Year of the Ox Framed Stamps
In 2021, the Postal Service will issue the second of 12 stamps in the series of Lunar New Year stamps. This year is Ox Year…
