Peppermints:

Based on the 1870's marble designed to commemorate the US centennial.  On May 15th 1991, at 12:40 p.m.; Andy Politz reached the summit of Mount Everest with nine 7/8" peppermints.  He buried one on the summit, he kept one and the others are the shooters in this series.   

Series of fifteen.   Shooter  7/8".
Two are 5/8".   Four are 9/16".  
Eight are 1/2".
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Population Portrait IX  (Contents)
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Population Portrait IX cover