Vintage Bubble Christmas tree lights. Two (2) sets of seven. A total of Fourteen (14) Bulbs with only one not working. One set has clips. The wiring, sockets, bulbs are in excellent condition. Two separate companies Type C-7 for X-mas lighting. 
Set one: 
Leo Pollock CO. N.Y.C. "POLLY" Tree light original Ul tag two prong L.P. Corp 125 volts Multiple Fistoon indoor use only, no clips on this set. Two ended connections. 250 volt 125 volt

Set two: 
 GILBERT Pat Pen. two prong plug two end connection. All lights have clips.

Thank you for looking !  Scout