In the good ole days, thousands of Cities/ towns struck their own coinage, either in name of Ruler/ Church / City. I will start the ball rolling with.... Imperial City of Lubeck AV Quarter Dukat 1728 Lubeck Mint obverse: Kaiser Karl VI reverse: Imperial Eagle
Another from Germany AV Dukat 1796 MS-63 Frankfurt Mint Imperial City of Frankfurt under French Occupation
Milan/ Duchy AV Ducato ND Milan Mint Filippo Maria Visconti 1416-53 obverse: Duke of horse reverse: Arms of Visconti Dynasty
bit older.... EL Myshemihekte (1/24 Stater) ND struck 625BC Ionia/ Phokaia Phokaia Mint obverse: Lioness Head reverse: Quadipartite Punch These little guys where struck from natural electrum deposits in Asia Minor City States. Native electrum was found around riverbanks, usually 50/50 gold/silver composition.
Mysia/ Kyzikos (City State) Asia Minor EL Hemihekte (1/12 Stater) ND struck 550BC Kyzikos Mint obverse: Wildboar riding on a Tuna reverse: Quadripartite Incuse Square
Ionia/ Erythrai EL Hekte (1/6 Stater) ND struck 625-570BC Erythrai Mint obverse: Herakles in Lionskin Headdress reverse: Quadropartite Incuse Square