Cloth Seal, Unknown Continental, Czech Republic

Cloth Seal, Continental, Bohemia, Image & Found by Mlýnek Karel.
Found near city Pardubice, Czech Republic, 14mm.

Lion rampant with plaited twin-tail and prominent tongue (L form inscription around?) // CK

The lion is the same as that shown for the arms of Bohemia.
Also appears on Jindřichův Hradec (Neuhaus).