This lamp from Searchlight Electric requires two bulbs. This lamp is made for indoor use and 60W is the maximum recommended wattage for bulbs.
From ManoMano
Zanzibar - 2 Light Indoor Candle Wall Light Antique Brass, E14 - Searchlight
Direct Trade Supplies
Searchlight Zanzibar 2Lt Antique Brass Wb
This product is also available at 2 unverified stores.