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Clickmyheels ago

The $100 bill serial number is a date: Sept 9, 1985 the day Halley's COMET passed by Earth. Not sure what the CL in front of the B at end mean. Maybe someone else has an idea. Is there a pic of the back of the bill?

equineluvr ago

Googling around yields most report a date of February 1986 for Halley's Comet's pass by earth.

https://astrosociety.org/edu/publications/tnl/01/01.html