The story
The first written mention of Byšice is from 1321. The settlement was founded on a trade route from Mělník to Mladá Boleslav. It was an agricultural and market village, in the 19th century it was a market town.
The seal comes from the 15th or 16th century. The coat of arms is derived from this seal.
From Wikipedia’s article on Byšice, shared under CC BY-SA 4.0.4