Tulip bulbs?
“TulipMania”:
http://www.economist.com/blogs/freeexchange/2013/10/economic-history
https://en.wikipedia.org/wiki/Tulip_mania
Meanwhile back in Cryptocurrency land, I should have sold my TrumpCoin holdings at 51 cents: https://coinmarketcap.com/currencies/trumpcoin/
Whole crypto market: https://coinmarketcap.com