How to take two sides of a coin in the same photo with a camera?

Front and back, take coins once each, and then ps a photo.

If you need to shoot the front and back of the coin at one time, stick the coin on a table or other object with wax or glue, use a large lens in the background and adjust the appropriate angle. After observation, you can see the front of the coin at the same time, or you can see the back of the coin through the lens, so you can take pictures with the camera.