The "good old days," when a young man could stuff a sawback into an envelope and receive a haphazardly packaged box of potentially lethal pyrotechnics via the U.S. Mail Service no questions asked.
Oh Boy! THINK OF IT! World's Loudest.
FUN FACT: John Miller, of Toledo's
Miller Fireworks Company, is largely credited with popularizing the M-80 as a civilian firework.