Probably from an Encased jewelry piece at some point. I had Fred Weinberg look at this one in hand in Chicago this past August and its an old encased coin. Media Information Album: Jim M Uploaded By: Jim M Date: Jan 11, 2015 View Count: 662 Comment Count: 0 EXIF Data (Expand / Collapse) File Size: 130.3 KB Mime Type: image/jpeg Width: 803px Height: 783px Aperture: f/8.0 Make: Canon Model: Canon PowerShot A1100 IS Date / Time: 2014:05:10 20:26:03 Exposure Time: 1/250 sec ISO Speed Rating: ISO 80 Focal Length: 6.2 mm Note: EXIF data is stored on valid file types when a photo is uploaded. The photo may have been manipulated since upload (rotated, flipped, cropped etc). Encased Reverse by Jim M posted Jan 11, 2015 at 11:03 AM