$7 Million Display October 1-3, 2026 Includes Ultra High Relief Rarities.
Rarity ratings provided courtesy of the Bust Half Nut Club Rarity Ratings Committee as published in their 2020 BHNC study report.
Obverse Description
Mouth open, S13 very close OBV. 2. S1LH, S7LE-CHb, S8UE, S13C. Also S2UH, S5LH. Date is 8 mm. Mouth is distinctly open. S13 less than ¼ mm. from curl. Light die lines from milling opposite and below end of bust are visible on most specimens. (See O.104)
Reverse Description
REV. Z. A1LE, A2LE, A3UH. 50 C. is 1 ½ mm. and high. A-A is ¾ mm. Left side of I centered under T. About half of the stripe lines extend to second crossbar. A die defect line 1 ½ mm. long extends upward from right eagles claw at shield. Die defect line and light die lines on obverse removed by lapping of dies apparently after clashing on late die states. (63,63,62,62,62) R.4
Source: Overton (Whitman Publishing)
Catalog Information
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for 1827 50c Square Base 2, O-134 MS
Body: Referring page: http://www.greysheet.com/prices/item/1827-50c-overton-o-134-square-base-2-bust-half-dollar/gsid/194287 GSID: 194287 Title: 1827 50c Square Base 2, O-134 MS
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Values
| Grade | CAC | CPG Value (Retail) | Greysheet Price (Wholesale) |
|---|---|---|---|
| MS66 |
|
$43,000 | $1,234 |
| MS66 | - | $18,000 | $1,234 |
| MS65 |
|
$1,234 | $1,234 |
| MS65 | - | $1,234 | $1,234 |
| MS64 |
|
$1,234 | $1,234 |
| MS64 | - | $1,234 | $1,234 |
| MS63 |
|
$1,234 | $1,234 |
| MS63 | - | $1,234 | $1,234 |
| MS62 |
|
$1,234 | $1,234 |
| MS62 | - | $1,234 | $1,234 |
| MS61 |
|
$1,234 | $1,234 |
| MS61 | - | $1,234 | $1,234 |
| MS60 |
|
$1,234 | $1,234 |
| MS60 | - | $1,234 | $1,234 |
| AU58 |
|
$1,234 | $1,234 |
| AU58 | - | $1,234 | $1,234 |
| AU55 |
|
$1,234 | $1,234 |
| AU55 | - | $1,234 | $1,234 |
| AU53 |
|
$1,234 | $1,234 |
| AU53 | - | $1,234 | $1,234 |
| AU50 |
|
$1,234 | $1,234 |
| AU50 | - | $1,234 | $1,234 |
| XF45 |
|
$1,234 | $1,234 |
| XF45 | - | $1,234 | $1,234 |
| XF40 |
|
$1,234 | $1,234 |
| XF40 | - | $1,234 | $1,234 |
| VF35 |
|
$1,234 | $1,234 |
| VF35 | - | $1,234 | $1,234 |
| VF30 |
|
$1,234 | $1,234 |
| VF30 | - | $1,234 | $1,234 |
| VF25 |
|
$1,234 | $1,234 |
| VF25 | - | $1,234 | $1,234 |
| VF20 |
|
$1,234 | $1,234 |
| VF20 | - | $1,234 | $1,234 |
| F15 |
|
$1,234 | $1,234 |
| F15 | - | $1,234 | $1,234 |
| F12 |
|
$1,234 | $1,234 |
| F12 | - | $1,234 | $1,234 |
| VG10 |
|
$1,234 | $1,234 |
| VG10 | - | $1,234 | $1,234 |
| VG8 |
|
$1,234 | $1,234 |
| VG8 | - | $1,234 | $1,234 |
| G6 |
|
$1,234 | $1,234 |
| G6 | - | $1,234 | $1,234 |
| G4 |
|
$1,234 | $1,234 |
| G4 | - | $1,234 | $1,234 |
| AG3 |
|
$1,234 | $1,234 |
| AG3 | - | $1,234 | $1,234 |
Greysheet News
Mintage of Just 403 — Bidding Closes Sunday, October 18, 2026.
Stack's Bowers Galleries, legendary rare coin auction firm, is proud to announce that records were shattered in their September 3, 2026, offering of the Mack C. Chase Collection.





