Countdown to America's 250th Anniversary Hidden Figures Bronze Medal Dr. Christine Darden 1.5 Inch
Mintage Limit is the total number of a coin manufactured across all products. (For example, a coin may be available in rolls and in our annual sets).
Product Limit is the number of a coin made available in the individual product.
Household Order Limit The United States Mint imposes household order limits on our products to ensure that we provide fair purchase opportunities to the broadest audience possible. Household order limits for our products are typically lifted 24 hours after they go on sale. As we monitor our products, limits may be implemented, adjusted, or removed at our discretion.
Dr. Christine Darden is an American mathematician, data analyst, and aeronautical engineer who devoted much of her 40-year career in aerodynamics at NASA to researching supersonic flight and sonic booms.
The obverse (heads) depicts a portrait of Dr. Darden holding a model plane. Inscriptions are “DR. CHRISTINE DARDEN,” “PERCEIVE, PLAN, PREPARE, PERSIST,” and “P4.”
The reverse (tail) design highlights Dr. Darden’s illustrious career. The stars symbolize her four decades of service at NASA, while the graph shows a sonic boom cone hitting the ground, explaining in visual form some of the mathematical formulas that describe the air pressures involved in sonic boom minimization. Inscriptions are “ACT OF CONGRESS 2019” and “SONIC BOOM MINIMIZATION LEADER AT NASA FOR 16 YEARS OUT OF 40 YEARS OF SERVICE.”
| Denomination: | N/A |
|---|---|
| Finish: | Matte |
| Composition: | 95% copper, 5% zinc |
| Weight: | N/A |
| Diameter: | 1.500 inches |
| Edge: | Plain |
| Mint and Mint Mark: | N/A |
| Privy Mark: | N/A |
Mintage Limit is the total number of a coin manufactured across all products. (For example, a coin may be available in rolls and in our annual sets).
Product Limit is the number of a coin made available in the individual product.
Household Order Limit The United States Mint imposes household order limits on our products to ensure that we provide fair purchase opportunities to the broadest audience possible. Household order limits for our products are typically lifted 24 hours after they go on sale. As we monitor our products, limits may be implemented, adjusted, or removed at our discretion.