It sounds like you're referring to an image file named AMS_CHERISH_-63-.jpg — likely a photo or scan related to the AMS Cherish (possibly a model, event, artwork, or object with the identifier -63).
The name appears in stock photography and modeling databases, such as Shutterstock
Compression: JPEG is a lossy format, meaning it reduces file size by permanently removing some data, which can lead to "artifacts" in older or highly compressed sets.
This works best if the image is part of a visual collection or photography series. Spotlight on "Cherish -63-"
Data Reuse: Many of these images and datasets, including UAV (drone) photogrammetry and laser scanning data, are freely available for research via the Digital Repository of Ireland (DRI).