Below is a cashed check in the amount of $130 from Detective Comics, Inc.
If you can read the tiny writing on the left, you’ll see it was for the rights to Superman.
The check recently sold at auction for $160,000.
The historic March 1, 1938 Detective Comics Inc. check for $412 payable to “Seigel & Shuster” with $130 line item for the ownership and rights to the character, Superman. Click on the image to make larger.