the construction tells me it is with high probability a Anvia ( almelo Nethrelands) lamp by Hoogervorst
best regards Maarten
look in the catalogus wich are now on marktplaats (our leboncoin)
https://www.marktplaats.nl/a/boeken/catalogussen-en-folders/m1235098254-...
https://www.marktplaats.nl/a/boeken/catalogussen-en-folders/m1236070140-...
ypu weseethe strong resemblance with your lamp (different date serie)
and the difference with hala (catalogus with the same vendor)
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