Notes:
Some say by Henry Boltinoff. Some say by Joe Shuster. Stan Kaye most probably as evidenced by the dog that appears on many of Stan Kaye's covers.
Character(s):
Superboy [Clark Kent]; Jim; Jerry; Mr. Plummer (owner of Plummer Plastics); Withers (Plummer's partner)
Synopsis:
Superboy uses the idea of a marbles tournament to help recover a secret formula and sample of an amazing plastic sent to Plummer Plastics by the inventor on his death bed.
Notes:
Letters credit from Todd Klein via his blog Kleinletters, posted 23 September 2016 (http://kleinletters.com/Blog/ira-schnapp-in-more-fun-comics/).