Man Playing Checkers with Himselves

"It's the same guy 3 times!" is what the dealer wrote on the back of this real photo postcard. Someone else--perhaps the fellow who posed as the checker-playing threesome--added a handwritten poem on the other side:

When days are dull
And from work we are free, oh
I like to play a little game
Especially with my trio!

Here's the uncropped version of the card: