I believe it is a French made Hiolle cue.
I bought my first one in 1962.
Not a Sampaio cue.
I have occasionally seen the parallelogram design in a Finck cue,
But everything else says potentially Hiolle.
The multi sections may suggest not Hiolle.
Google Hiolle, then tap on "Images" at the top of page. You will get dozens of
Hiolle cues, and may see one like yours.
Look very closely, it may have Hiolle stamped on either the shaft or butt, not always.
Nice, original cue with personal history.
You should keep it.
Will Prout