From a mintage of 20 coins struck in proof format, an estimated 10 are known to survive today.
| coinage-type | Capped bust half dollar |
| desg | PR |
| designer | John Reich |
| diameter | 30 |
| edge | Reeded |
| fineness | 0.9 |
| material | 90% silver; 10% copper |
| mint-mark | O |
| mintage | 20 |
| ngc-id | 27SP |
| obverse-description | Portrait of Liberty facing left with a cap and the word LIBERTY on a ribbon above her brow. 7 stars on the left periphery and 6 stars on the right side represent the original 13 colonies. The date appears centered at the bottom. |
| pcgs-link | 6226 |
| pcgs-number | 6226 |
| reverse-description | An heraldic eagle holding olive branches and 3 arrows in its claws is surrounded by the words UNITED STATES OF AMERICA around the periphery. A ribbon below bears the motto E PLURIBUS UNUM. The denomination of 50C is centered below the eagle. |
| weight-grams | 13.36 |
| year-display | 1836-1839 |