This listing is for a package of four (4) new old stock Sylvania 60 Watt 130 Volt A19 Standard Frosted Incandescent Lamps. These lamps have a standard E26 medium base. They were manufactured in USA. Your satisfaction is guaranteed. All items are shipped via the US Post Office (USPS). I make every effort to ship your item within 24 hours following receipt of payment, except for Sundays or Holidays when the post office is closed.