This word spells the same backwards and forwards. What is it? My letters are but three. Reverse me I'm the same. I'm black and blue, as you will see. When once you've found my name.
Source (this is not intended to be used to look up the answer, but is posted under the policy on plagiarism of the Puzzle Stack Exchange website):
Source: The Queenslander (discontinued in 1939), without any specific author.