five NIA commemoratives including some early shows!

By Bob Berry; posted January 9, 2021

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Insulators as follows -- actual postage additional:

1977 Maitland, Florida - 8th convention -- great amber with a cool carbon bubble -- $25

1981 Sacramento, California -- 12th convention - bright emerald! -- $20

1982 Cedar Rapids, Iowa -- 13th convention -- white milk glass -- $15

1988 Houston, Texas -- 19th convention -- ink blue -- $20

2016 Muncie, Indiana -- 47th convention -- bright blue -- $25

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