Availability and documentation are separate facts
When a one-of-one piece is no longer available, that does not make the earlier photographs meaningless. They can still show how a form was measured, inspected, photographed or packed at the time of its record.
An archive is not current inventory
Keeping a record should not make a sold or otherwise unavailable piece look purchasable. Availability needs to remain explicit wherever an archived object is referenced.
Earlier records make patterns easier to learn
Over time, archived forms become useful educational references. They let readers compare silhouettes and placement ideas without pretending that every example is still for sale.



