Philadelphia struck 273,304,004 half dollars dated 1964, and they have no mint mark. Most are worth their silver. Only coins in near perfect condition bring more. One graded MS-65 sold for $45 in 2025, while coins graded MS-67 sold for $244, $456 and $1,200.
Denver struck 156,205,446 coins with a D mint mark. Look on the back, under the eagle's claw that holds the olive branch. Graded 1964-D coins sold for $125 in MS-65, $408 in MS-66+, and $384 and $456 in MS-67.
The Mint also made 3,950,762 proof half dollars in 1964 for collectors. They have mirror-like fields and no mint mark. A proof graded Proof-68 Cameo sold for $99.88, and the best ones, graded Proof-69 with frosted designs, sold for $940 and $1,560.
| 1964 half dollars struck at Philadelphia (no mint mark) | 273,304,004 | coinweek.com |
|---|---|---|
| 1964-D half dollars struck at Denver | 156,205,446 | coinweek.com |
| 1964 proof half dollars | 3,950,762 | coinweek.com |
| Metal | 90% silver, 10% copper | en.wikipedia.org |
| Pure silver in the coin | 0.36169 troy ounces | en.wikipedia.org |
| Weight | 12.5 grams | en.wikipedia.org |
| Diameter | 30.6 mm, reeded edge | en.wikipedia.org |
| Where the mint mark is | On the back, under the eagle's claw that holds the olive branch. Philadelphia coins have none. | en.wikipedia.org |
