Vintage GUARDIAN ELECTRIC RELAY SPEC NO. CC-15757-1 COIL 60 V 60 Cycles - RARE!!

Rare vintage relay coil made by GUARDIAN ELECTRIC MFG CO. in Chicago, Illinois. Kind of hard to make out all the information on the attached label, but looks like… SPEC NO. CC -15757-1, CODE NO. G-1-51, COIL 60 VOLTS 60 CYCLES, CONTACT RATING 3/16” DIA. 1200 W., NON-IND. LOAD, AT 110 V. 60 C.. Item appears to be in good condition, but is UNTESTED. It was included with some very old television/radio tube equipment I acquired. Measures about 1.75” wide and 2.25” high. See pics for more details and please zoom in for closeups.