Record which revision of a proof was sent to the reviewer.
Email the current creative proof and log the revision on the card.
Your reviewer gets the current image or PDF and a clear question. Your review card shows which revision you sent.
Log the exact proof revision when a review card moves.
Your review card shows the proof version your reviewer received, even if the linked file changes later.
Fill proof history gaps so each review shows the revision sent.
Your coordinator can trace the revision recorded for a proof send, even when its send history was missed.