This is posted on the ChipGuide under ChipGuide Usage Policy.

ChipGuide Submissions
Images and descriptions of items not currently on the ChipGuide may be submitted for consideration to be added to the ChipGuide. The ChipGuide has a submission form for this purpose. Upon submission, permission is granted to the Museum of Gaming History to use the item on the ChipGuide and for other purposes. Submitters must own the images submitted or have permission to submit them. At the discretion of the ChipGuide, submitted items may or may not be used and may be edited to meet ChipGuide guidelines. Submitted items will not be returned.