This is a lamp from Searchlight Electric which is fitted with an E14 socket. This lamp is mainly intended for indoor use and you should not use bulbs with more than 60W.
From ManoMano
Searchlight Zanzibar - 6 Light Multi Arm Ceiling Pendant Antique Brass, E14
Downtown
Searchlight Zanzibar Antique Brass Ceiling Light
This product is also available at 3 unverified merchants.