This set of four flag canceled 2 cent US commemorative stamps showcases the Landing of Columbus and features a flag cancelation. The stamps were issued between 1891 and 1900 and were manufactured in the United States. The brown stamps are used and depict the national flag and emblem. The cancellation type used is the flag cancel. The stamps are uncertified and perfect for any collector interested in flags, national emblems, and the history of the United States. I have 2 sets. This is set 1 both have 4 stamps!