If you refused to wear a mask during the Spanish Flu Epidemic in 1918-1920, they would put you in jail.
#AntiMaskerProblems

This picture was taken in California in 1918 during the Spanish flu pandemic that killed more than 50 million people.

A law passed in San Francisco said anyone not wearing a mask was subject to fines of $5 to $100 & the possibility of 10 days in jail. https://www.theguardian.com/artanddesign/2020/may/03/the-big-picture-spreading-the-message-about-the-1918-pandemic

$5.00 in 1918 would be worth $85.00 in 2020.

$100.00 in 1918 would be worth $1,700.00 today.

So the fine for not wearing a mask is $85.00 to $1700.00 in today's dollars. ouch

Also, maybe ten days in the slammer.