Don't think that the artist has signed the artwork.
Collectors may not be aware that some artists do not sign their work. A work that is not signed can lead to issues down the road particularly in the
In the event of resales, make sure you get confirmation that the work is actually legally signed prior to purchasing.
If your work isn't signed, it’s an excellent idea to ask for a Certificate of Authenticity (COA) signed by artist or an autographed sticker.
The sticker has been signed by artist and is affixed to the reverse side of the piece. The stickers shouldn't contain the price of the item, but instead the title and year.
was made, its medium, and dimensions.
Some artist estates have stopped providing COAs. But, as long an artist is still alive and reputable galleries will be able to provide a COA at time of.
The Artwork Archive's Premier Collector plan lets subscribers upload and save digital scans of each artwork's COA via the "additional files" function.