Riddle twenty-six

Riddle twenty-six: John

Difficulty: 6
Interest: 3

The picture depicts five pennies. The fact that they are pennies is not important. There is no word hidden in the picture. The title does not seem to refer to anything. The source won't reveal anything.

Next Level

*Spoilers*

The image is in fact two groups of circles.

Use your fingers. Or at least, that's how the code in the image should be read.