Difference between revisions of "Halloween card"
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== 1 pentene == | == 1 pentene == | ||
| − | [https://pubchem.ncbi.nlm.nih.gov/compound/1-Pentene Info and image] | + | [https://pubchem.ncbi.nlm.nih.gov/compound/1-Pentene Info and image] (From Nick Gibson) |
Revision as of 06:26, 22 June 2021
Description
This symbol appeared in the card Zodiac sent to Paul Avery on Oct 27, 1970. It also appeared on the envelope the card came in.
Interpretations and comparisons
1 pentene
Info and image (From Nick Gibson)
