SOFIA's Phantom door collection.

Models 79 C01, 79 C02, 79 C03 and 79 C04 are presented in slate silk veneer with engraving.

Link to doors - https://sofiadoors.com/catalog/mezhkomnatnye-dveri/kollektsiya_phantom 

Collection of our materials - https://3dsky.org/collection/shared/5086367 

Those who work in V-Ray versions lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR ( GGX ), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whatever suits you best.