A collection note often sounds better when every stage connects neatly to the next. Real documentation may be less tidy. An object appears in one photograph, disappears from the surviving record, then enters a collection decades later. The gap belongs in the account.
Separate an event from its evidence
Make two columns: what is said to have happened, and the source supporting it. A dated receipt, an inscription and a family recollection do not offer identical kinds of evidence. Describe each source before deciding how strongly it supports the event.
For a fictional example, “reported by the donor to have belonged to a relative” preserves the status of the information. Rewriting it as “owned by the relative” removes an important qualification.
Leave a visible interval
If no source covers the period between two documented events, mark it as unknown. Do not connect the dates with an invented transfer merely because that would make the story flow.
Also distinguish the date an account was recorded from the date it describes. A recollection written in 1980 about an earlier event has two relevant dates. Both may matter when assessing the account.
Make the next research step specific
A useful question might be whether an institution retains accession correspondence. The Smithsonian Archives’ guidance on locating donated objects highlights identifying information such as donor, donation date and object description when tracing records.
Your own note should preserve the catalogue identifier and the exact source consulted. If a new document changes the account, record the revision rather than pretending the uncertainty never existed.
For related habits, see reading a museum record carefully. A history with an explicit gap is often more useful than a seamless narrative whose connecting sentences cannot be checked.