This listing is for a box of twelve (12) new old stock General Electric 7 1/2 Watt S11 Ceramic Green Indicator Lamps.  These lamps have a standard E26 medium base and were commonly used in signs and marquees.  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. Payments are accepted by Paypal.