The model was created in the 2018 version and saved in the earlier 2015 version.
OBJ format is also available.
There are no third-party plugins, all elements are called by their proper names.
For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of the materials is adjusted taking into account PBR,


CURREY & COMPANY
The Tropical Semi-Flush is crafted from brass with a vintage brass finish and features realistic leaves attached to a long stem to create a sense of movement. This detail adds extra sophistication to the gold semi-flush.
Finish: Vintage Brass
Materials: Brass
(SCENE IN MILIMETERS)
Overall: 19"H x 34"D.
https://maisonvogue.com/products/tropical-gold-semi-flush-mount?pr_prod_strat=e5_desc&pr_rec_id=59e4103b5&pr_rec_pid=9006137377047&pr_ref_pid=8935179780375&pr_seq=uniform 
https://romatti.ru/catalog/plyustra-tropical-by-curry-company.html 

CURREY & COMPANY

The Tropical Semi-Flush is made of brass in a vintage brass finish with life-like leaves attached to the long stem to imply movement. This detail gives the gold semi-flush extra sophistication.
Finish: Vintage Brass
Materials: Brass
(SCENE IN MILIMETERS)
Overall: 19"hx 34"dia.
Weight: 10.25 lb
Lights: 6
https://maisonvogue.com/products/tropical-gold-semi-flush-mount?pr_prod_strat=e5_desc&pr_rec_id=59e4103b5&pr_rec_pid=9006137377047&pr_ref_pid=8935179780375&pr_seq=uniform 
https://romatti.ru/catalog/plyustra-tropical-by-curry-company.html