Trial strikes for Costa Rican commemorative issues from this period were typically produced in base metal with applied plating to simulate the intended precious metal appearance before final production decisions were confirmed. Whether this piece preceded an approved gold issue or represented an abandoned proposal is not established in the published record for this specific 1970 denomination.
Trial strikes for Costa Rican commemorative issues from this period were typically produced in base metal with applied plating to simulate the intended precious metal appearance before final production decisions were confirmed. Whether this piece preceded an approved gold issue or represented an abandoned proposal is not established in the published record for this specific 1970 denomination.