A small mark on an object can feel like the answer to its history. It is better treated as the beginning of a traceable question. Start by recording exactly what is visible, including letters or shapes you cannot confidently read.
Preserve uncertainty in the transcription
Write a plain description and use brackets or another explained convention for uncertain characters. Photograph the mark only where handling and photography are permitted. Do not clean or alter an object simply to make an inscription easier to read.
Next, compare the mark with an appropriate documented reference. A resemblance to a familiar logo is a lead, not a complete identification. Record the reference and the features that support the comparison.
Ask what the mark actually identifies
Even a confirmed mark may refer to a maker, retailer, owner, or component. Its role needs evidence. Avoid assigning the entire object to a manufacturer solely because one part carries a name.
End the note with a distinction between reading, interpretation, and unresolved questions. This leaves a future researcher able to check your steps. The most useful result may be a well-documented uncertainty rather than a confident biography built from a few indistinct characters.