500 Réis - Pedro II Countermark '500' or 'S00' and new lettering over Cruzado João IV

Historical Context: This 500 Réis coin (1688-1704) reflects monetary revaluation under King Pedro II (1683-1706). A countermarked Cruzado of João IV, it exemplifies a common practice to adjust currency without new minting. This revalidation addressed economic necessities, like fluctuating silver prices or denomination standardization. The countermark officially elevated older coinage's nominal value, ensuring circulation and demonstrating the crown's efforts to maintain stability before Brazilian gold discoveries transformed Portugal's economy.

Artistry: The "artistry" here is primarily functional. The original Cruzado of João IV featured the traditional Portuguese shield and Cross of Christ. The Pedro II countermark consists of a prominent '500' or stylized 'S00' numeral, clearly indicating the new denomination, often with new lettering or a date. This application prioritized clear,