Whitman Expo
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.
No MS64 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1915-S/S 50c Panama-Pacific Expo, RPM, FS-502 MS64 CAC
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1915-S/S 50C Panama-Pacific, FS-502, MS64 PCGS. CAC. ...
MS64
PCGS
$2,160
1915-S/S 50C Panama-Pacific, FS-502, MS64 PCGS. ...
MS64
PCGS
$780
1915-S/S 50C Panama-Pacific, FS-502, MS64 NGC. ...
MS64
NGC
$705
1915-S/S 50C Panama-Pacific, FS-502, MS65 PCGS. CAC. One of two repunched mintmark varieties for the Pan-Pac half dollar, t...
MS65
PCGS
$1,201
1915-S/S 50C Panama-Pacific, FS-502, MS65 PCGS. ...
MS65
PCGS
$1,740
1915-S/S 50C Panama-Pacific, FS-502, MS65+ PCGS. CAC. PCGS Population: (3/5 and 1/2+). NGC Census: (0/0 and 0/0+). MS65. Mi...
MS65
PCGS
$1,320
1915-S/S 50C Panama-Pacific, FS-502, MS65 NGC. ...
MS65
NGC
$1,260
1915-S/S 50C Panama-Pacific, FS-502, MS65 NGC. ...
MS65
NGC
$1,110
1915-S/S 50C Panama-Pacific, FS-502, MS65+ PCGS Secure. CAC. ...
MS65
PCGS
$1,140
1915-S/S 50C Panama-Pacific, FS-502, MS66 PCGS. ...
MS66
PCGS
$3,782
1915-S/S Panama-Pacific Exposition. VP-002. MS-62 (NGC).
MS62
NGC
$840
1915-S/S 50C Panama-Pacific, FS-502, MS66 PCGS. CAC....
MS66
PCGS
$4,320
1915-S/S 50C Panama-Pacific, FS-502, MS66 PCGS....
MS66
PCGS
$2,040
1915-S/S 50C Panama-Pacific, FS-502, MS67 PCGS....
MS67
PCGS
$7,500
1915-S/S 50C Panama-Pacific, FS-502, MS67 PCGS....
MS67
PCGS
$5,280
1915-S 50C Panama-Pacific, FS-502, MS66 PCGS. The mintmark is repunched north, with the faint secondary upper serif of an S...
MS66
PCGS
$2,880
1915-S/S 50C Panama-Pacific, FS-502, MS66 NGC. ...
MS66
NGC
$5,040
1915-S 50C Panama-Pacific, FS-502, MS66 PCGS. CAC. The mintmark is lightly repunched north of the primary S. The Pan-Pac ha...
MS66
PCGS
$3,000
1915-S/S 50C Panama-Pacific, FS-502, MS67 PCGS. ...
MS67
PCGS
$5,880
1915-S/S 50C Panama-Pacific, FS-502, MS67+ PCGS. CAC. ...
MS67
PCGS
$5,520
1915-S/S 50C Panama-Pacific, FS-502, MS66+ NGC. CAC. ...
MS66
NGC
$3,840
1915-S/S 50C Panama-Pacific, FS-502, MS67 PCGS. CAC. ...
MS67
PCGS
$7,800
1915-S/S 50C Panama-Pacific, FS-502, MS67 PCGS. CAC. ...
MS67
PCGS
$5,280
1915-S/S 50C Panama-Pacific, FS-502, MS67 PCGS. CAC. ...
MS67
PCGS
$5,170
1915-S/S 50C Panama-Pacific Half Dollar, FS-502, MS68 PCGS. ...
MS68
PCGS
$30,550
Greysheet News
Mack C. Chase Collection of Walking Liberty Half Dollars Realizes Nearly $2.5 Million in Stack's Bowers Galleries' 2026 Global Showcase Auction
9/25/2026
Kevin Lipton Opens Impressive Rare Coins, Fine Art & Antiques Gallery in Beverly Hills
The Lipton Gallery is displaying a $3 million Augustus Saint-Gaudens statue that inspired the famous, similar design for Double Eagle gold coins.
9/24/2026
Consumer Advocate Mike Fuljenz Wins NLG's Newsletter Award
His free weekly newsletter offers insights on the coin and metals markets, and consumer education.
9/15/2026
Events
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, July 1, 2026
Heritage Auctions: World & Ancient Coins Wednesday & Thursday Select Auction
Location: Heritage Auctions
Thursday, July 2, 2026
