Lamp parts:Vintage-stylequad loop filament 25watt and 120V. These are incandescent, medium-based (for "regular" sockets),and have a brightness level of50umens, 3000 hours. These are made by Satco- their name and rating is stamped on the side.Bulb is shown lit against a dark background so they show up dark. Second picture not lit- bulb is clear and you can see through.We sell in lots of 6 for less- see our store.We combine with other items to save shipping costs. $12.82 each. Shipping is $3.60 plus $.60 for each additional piece.Combined shipping- to get cheapest shipping costs (when buying different items)please buy what you need and “request invoice” so we can send invoice with lower shipping costs."How to Request Invoice when using shopping cart"---From your eCRATER cart, near the top of the page, move your mouse curser over our name “lamppartsguy” and a drop down menu will appear with the option to request invoice from seller.