1978 Porcelain Commemoratives Made for the National Show
 

Color: Red Front Embossing: 9TH NIA CONVENTION RENO, NV. JULY 21-23, 1978 Back Marking: 048 [The "048" is incised on an unglazed rectangular spot.  Other insulators would have been stamped with a different number.  The number is larger in size then the previous year's number.] Quantity Made: 197 Notes: The serial number shown here is part of a complete set once owned by Constance Brown.  These were originally sold for $10 postpaid.

Works Consulted

McDougald, John.  "President's Page."  Drip Points 5.3 (Spring 1978).