Have a photo? Submit it and we'll credit you.

As an eBay Affiliate, Collector's Key may be compensated if you make a purchase through the link(s) above.

1882 Proof

Half Dollars · Seated Liberty Half Dollars · 1839–1891
Regular Proof
Weight12.5 g
Diameter30.6 mm
MintPhiladelphia
StrikeProof
Mintage 1,100
EdgeReeded
Alignment↑↓ Coin
Composition90% Silver, 10% Copper
DesignerChristian Gobrecht
Collector's Key IDCK-3964

Collection

collectors own this
on want lists

Your collection

Sign in to track this coin.

About this coinHistory

The 1882 proof half dollar sits inside the low-mintage stretch that defined the closing Seated Liberty decade, and its relationship to the same-year business strike is the structural fact worth understanding. The Mint delivered roughly 1,100 proofs against just 5,500 business strikes, putting the proof at one-fifth of total annual output. That ratio inverts every prior era of Seated half production, when business strikes ran into the millions and proofs hovered in the few-hundred range. The 1,100 figure is documented in John Dannreuther's reference on United States proof coins and tracks the Mint Director's annual report. The collapse in business-strike output traces to the Bland-Allison Act of February 1878, which obligated the Treasury to absorb two to four million dollars of silver every month into the new Morgan dollar and left only token allocations for the half dollar.

Authentication rests on close-collar proof diagnostics, not business-strike sharpness. Genuine examples show squared, perpendicular rims raised cleanly from the field, fully formed denticles (the tooth-like beads ringing the rim), and watery deep-mirror reflectivity around Liberty and beneath the eagle. Under a 10x loupe, controlled die-polish lines run in consistent directions rather than the radial flow lines that mark every business strike. Specifications must hold at 12.50 grams on a 90 percent silver planchet at 30.6 millimeters with a reeded edge. The cross-check on this date is the 1882 business strike, which often surfaces with prooflike fields because the sparingly used dies carried mirror polish into the first impressions; prooflike alone is not proof origin, and only squared rims and full strike depth settle the question. PCGS (Professional Coin Grading Service) or NGC (Numismatic Guaranty Company) certification is the working standard.

For collectors, the 1882 proof is an obtainable Philadelphia issue at R-3 to R-4 (roughly 200 to 500 known across all grades), surfacing in major auctions throughout the year and priced in line with surrounding 1880s proof dates. Cameo and Deep Cameo (frosted devices against mirrored fields) designations carry significant premiums, and gem PR65 and finer pieces are scarce relative to the PR62 to PR64 band where most survivors cluster. The Regular classification on this page follows site convention for proof entries; scarcity is carried in the prose, not the badge. For more on the design and the Philadelphia proof program, see the Seated Liberty Half Dollar series history.

Price guideReference

Reference data only — not an appraisal.

GradeDescriptionLowHigh
PR-63 Proof (PR)
Frequently Asked QuestionsFAQ
How many 1882 Proof Seated Liberty Half Dollars were minted?
1,100 were struck.
What is a 1882 Proof Seated Liberty Half Dollar made of?
90% Silver, 10% Copper, weighing 12.5 g.
What is the melt value of a 1882 Proof Seated Liberty Half Dollar?
Its melt value is its metal content multiplied by the current spot price. See our melt calculator on the metals pages for a live figure.
Is the 1882 Proof Seated Liberty Half Dollar a key date?
It's a more common date overall, though scarcer die varieties may carry a premium — see the varieties list.