Certificates of authenticity must be signed by all artists involved.
Minimum information includes:
-
Artist's name and surname
- Title of print
- Dates — all that apply: date(s) of collaboration, date the bon á tirer approved, date(s) printed, date signed (if significant because significantly different from the printing date), date of official release or publication
- Medium and/or technique — it is important to be specific
- Paper or support (type, color, manufacturer, etc.)
- Size: dimensions of image and dimensions of sheet or support
- Signature; signature description if different from full name
- Master printer: specify collaboration for proofs, editioning
- Place printed (workshop)
- Publisher
- Edition size and format of numbering
- Proofs (total number: even if you don't give any additional info about the proofs, all proofs together should NEVER number more than 10% of the edition)
- Matrix destroyed
- Additional / optional information:
- Addresses, biographical info (place & date of birth)
- Proofs: type and number of each, disposition
- Colors and individual runs; process or procedure notes
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