Meet AM 0500-620: a pair of interacting galaxies seen nearly face-on from our vantage point. Though one was once believed to be elliptical in nature, astronomers now know that both are highly-symmetric spirals. Any way you shake it, they compliment one another quite nicely, with one even providing the other with an extra source of light.
According to NASA,
The foreground spiral galaxy has a number of dust lanes between its arms. The background galaxy was earlier classified as an elliptical galaxy, but Hubble has now revealed a galaxy with dusty spiral arms and bright knots of stars. AM0500-620 is 350 million light-years away from Earth in the constellation of Dorado, the Swordfish.
This image is part of a large collection of 59 images of merging galaxies taken by the Hubble Space Telescope and released on the occasion of its 18th anniversary on 24th April 2008.
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See a larger image here.