At the top of the card, the words, Columbia Center split the word, BANK. This copy of the card is printed on blue papercard while another copy is printed on yellow papercard. Columbia Center (formerly Bank of America Tower and Columbia Seafirst Center) is the tallest skyscraper in the downtown Seattle skyline, as well as the tallest building in the State of Washington, and the Pacific Northwest region of North America. -- Source of annotation: Marvin or Ruth Sackner.