In 1902 a new series of National currency was introduced whose primary characteristic was a bright red seal. These Series 1902 Red Seals are vibrant notes are eagerly collected today due to their short run until 1907. $50 and $100 denominated red seals are hotly collected and are always in short supply. Red seals are always welcome... if you have a red seal note and want to know more about it please let me know.