1/2 Florin - John II Barcelona

John II inherited the Aragonese Crown in 1458 following the death of Alfonso V, but his relationship with Catalonia deteriorated almost immediately over his imprisonment of his son Charles of Viana — a figure the Catalans had rallied around as a symbol of their autonomy. By 1461, Catalan tensions had escalated to the point of open revolt, making this a remarkably narrow window of issue. The Barcelona mint struck this fractional gold denomination during precisely those years of political collapse that would culminate in the decade-long Catalan Civil War beginning in 1462.