1921-D Walking Liberty Half: Denver's Rarest Trio Coin
Coin Encyclopedia · 8 min read · Published November 7, 2026

The 1921-D Walking Liberty half is the rarest coin of the famous 1921 trio — and the key date of the entire Walking Liberty series. Denver struck only 208,000 of them in 1921, fewer than Philadelphia's 246,000 and far fewer than San Francisco's 548,000, and almost all of them went into circulation in the Mountain West. A century later, the 1921-D is scarce in every grade and genuinely rare in Mint State — the coin that most Walking Liberty sets never get.
That is the whole story of the 1921-D: the smallest mintage of the three 1921 issues, struck in a recession year, spent hard, and rarely saved. It is not a coin to chase casually, and it is not a coin to hold raw in high grade. This guide explains the D check, the Denver character of the coin, and what to look for before you pay key-date money.
208,000 — the smallest mintage of the trio
The three 1921 Walking Liberty halves tell the story of a recession year in three numbers: Philadelphia 246,000, Denver 208,000, San Francisco 548,000. Denver's is the smallest, and it is the number that makes the 1921-D the key date. The Mint struck few halves in 1921 because demand had collapsed — prices were falling, businesses were closing, and nobody needed new half dollars — and Denver, the smallest of the three mints striking halves that year, struck the fewest.
The coins that were struck went to work in the Mountain West, where half dollars circulated hard and were rarely set aside. By the time collectors began building Walking Liberty sets, the 1921-D was already the hardest date to find, and it has stayed that way: the survivors are few, the high-grade survivors are fewer, and the finest examples change hands rarely.

The D check — below the eagle, on the reverse
On the 1921-D the mint mark is a D on the reverse, below the eagle — the position the Mint settled on in mid-1917. It is the only difference between the Denver key date and the Philadelphia 1921, which carries no mint mark, and it is the detail that carries the whole premium. A 1921 with no mint mark is the Philadelphia key date; a 1921-D is the Denver key date, and the rarer of the two.
The check is worth doing with a loupe, because the 1921-D is the most faked date in the series after the 1916 issues. The usual trick is adding a D to a Philadelphia 1921 — a coin that is already valuable — or altering the date on a common Denver half. An added D sits too high, too shallow, or at the wrong angle, and the metal around it shows tool marks. A genuine D is crisp, correctly placed, and part of the original strike.

Denver strikes — soft detail, honest wear
Denver's Walking Liberty halves are often more softly struck than Philadelphia's, and the 1921-D is no exception: Liberty's head and gown, and the eagle's feathers, can look weak even on unworn examples. That softness is a mint characteristic, not wear, and it matters when grading — a softly struck 1921-D can still be Mint State, and judging it by sharpness alone understates it.
Wear shows first on Liberty's head, breast, and knee, and on the eagle's breast. A 1921-D with honest wear is a scarce coin in any grade; one with full lustre and a sharp strike is a rarity. And as with every key date, cleaning is the enemy: a cleaned 1921-D loses a large part of its premium, because the premium is paid for originality as much as for rarity.

The 1921-D in a set — the coin most sets never get
Ask a Walking Liberty collector which coin their set is missing, and the answer is usually the 1921-D. It is the date that sits empty in the album while the rest of the set fills in — scarcer than the 1921 Philadelphia, scarcer than the 1921-S, and priced accordingly. Many collectors build the whole series and never own a 1921-D; many more own one only in worn condition, and consider that a victory.
For a collector who does pick one up, certification is not optional — it is the purchase. A certified 1921-D settles the date, the mint mark, and the grade, and it is where the premium is paid. A raw 1921-D in high grade is a claim that costs thousands to verify and more to regret. Trust the holder, and let the coin inside be the reward.

What a 1921-D Walking Liberty Half Denver key is worth by grade
Our guide has not yet researched grade-by-grade estimates for this date, so every cell below shows “—” rather than a guessed figure. The live system fills these cells the moment research or a newly reported result lands. Figures on this page are reviewed November 5, 2026.
| Grade | Estimated value |
|---|---|
| Good (G-4) | — |
| Fine (F-12) | — |
| Extremely Fine (XF-40) | — |
| About Uncirculated (AU-50) | — |
| Mint State 60 (MS-60) | — |
| Mint State 65 (MS-65) | — |
No researched grade figures exist for the 1921-D yet. With a mintage of 208,000 — the lowest of the three 1921 issues — it is the key date of the trio, and Mint State examples are among the rarest Walking Liberty halves.
Specs and the silver floor
Every Walking Liberty half from 1916 through 1947 is 90% silver. The coin weighs 12.5 grams and carries 0.36169 troy ounces of pure silver. The live metal floor for this coin is $18.83 — it moves with the live silver market, so the figure updates on every load rather than standing still.
Metal floor updates live from our Worker — last updated November 7, 2026.
Adolph A. Weinman's Liberty strides toward the rising sun on the obverse, draped in the American flag, while the reverse carries a perched eagle on a mountain crag. Diameter 30.6 millimetres, reeded edge. In 1916 and early 1917 the mint mark sits on the obverse, below the motto; from mid-1917 it moved to the reverse, below the eagle.
Verified auction records
Our auction data holds no verified historic record for this date yet — no figure here is guessed. The box below checks for newly reported results on every load, so the first verified result for this coin will appear there.
Latest reported results for this coin
Checking for newly reported results…
Your 1921-D Walking Liberty Half Denver key questions, answered
How much is a 1921-D Walking Liberty half dollar worth?
Our guide has not yet researched grade-by-grade estimates for the 1921-D, so the table shows dashes. With a mintage of only 208,000 — the lowest of the three 1921 issues — it is the key date of the series and scarce in every grade, with Mint State examples genuinely rare.
Is the 1921-D Walking Liberty half silver?
Yes — it is 90% silver, weighing 12.5 grams with 0.36169 troy ounces of pure silver. The live metal floor for this coin is in the specs section below and moves with the live silver market.
Where is the mint mark on a 1921-D Walking Liberty half?
The mint mark is a D on the reverse, below the eagle. The Philadelphia 1921 carries no mint mark, and the 1921-S carries an S in the same position.
How many 1921-D Walking Liberty halves were struck?
Denver struck 208,000 Walking Liberty halves in 1921 — fewer than Philadelphia's 246,000 and San Francisco's 548,000, and the smallest mintage of the three 1921 issues.
Why is the 1921-D the key date of the Walking Liberty series?
It has the smallest mintage of the 1921 trio, struck in a recession year, and the coins were spent hard in the Mountain West and rarely saved. The result is the scarcest date in the series in every grade, and the one most sets never get.
Check your 1921-D
Run the date and mint mark through the free Coin Value Checker for an instant estimate, or get a Grade-or-Not verdict on whether your coin is worth certifying. The full series guide is here: Walking Liberty Halves Worth $25 to $188,000+.
Written for collectors facing the key date — the 1921-D is the rarest of the trio, and the one to seek certified. This guide is for education — learn the coin first, and get a professional opinion before buying or selling.

