So-Called Dollars are a type of commemorative medal or token that resemble U.S. dollars but are not legal tender. They were often produced to commemorate specific events, people, or anniversaries. The term "So-Called Dollars" was popularized by numismatist Q. David Bowers in his book published in 1963. The 1935 edition specifically refers to pieces minted to honor the 1935 opening of the San Francisco-Oakland Bay Bridge. These items are collectible for their historical significance and unique designs, often sought after by numismatists and collectors interested in American history and commemorative pieces.