Commissioners reviewed reverse designs for the four American Innovation dollars scheduled to be released in 2028 and obverse and reverse designs for the 2027 issues in the Comic Art Coin and Medal Program.
No OGP photos on record yet — showing auction lots of this item in other grades
Coin Value History
1855 G$50 Kellogg & Co., Commemorative Restrike PR DCAM OGP
1855 Kellogg $50 PCGS Gem Proof 70 (S.S. Central America Commemorative Restrike) - Vault Value!
PR70
PCGS
$3,950
1855 $50 S.S.C.A. Relic Gold Medal "1855 Kellogg & Co. Fifty" PR69 Deep Cameo PCGS. PCGS Population: (61/0). NG...
PR69
PCGS
$4,920
S.S. Central America: 1855 Kellogg Restrike $50 PCGS Gem Proof
PR69
PCGS
$5,900
2009 Humbert Commemorative Restrike Octagonal $50 NGC Gem Proof UCAM
PR65
NGC
$5,500
S.S. Central America: 1855 Kellogg Restrike $50 PCGS Gem Proof (With Box & Frame)
PR65
PCGS
$6,650
S.S. Central America: 1855 Kellogg Restrike $50 PCGS Gem Proof (With Box & Frame)
PR65
PCGS
$6,350
S.S. Central America: 1855 Kellogg Restrike $50 PCGS Gem Proof
PR65
PCGS
$6,000
S.S. Central America: 1855 Kellogg Restrike $50 PCGS Gem Proof
$5,750
S.S. Central America: 1855 Kellogg Restrike $50 PCGS Gem Proof (Box & COA)
$4,100
"1855" Kellogg & Co. $50. Commemorative Restrike. Struck September 12, 2001. Gem Proof (PCGS).
$3,120
Greysheet News
The Business of Numismatics: November 2026 Greysheet Editor's Letter
The rare coin market so far in 2026 has been somewhat volatile, with greater price swings happening over a shorter period of time when compared to historical norms.
11/4/2026
Whitman Expos Prepares for Flagship Baltimore Show November 12-14 Amid Hot Numismatic Market
Free three-day Fall Expo brings Stack's Bowers Galleries Showcase Auction lot viewing, a 2026 U.S. 250th Anniversary coins, educational programming, and one of the hobby's biggest dealer floor to the Baltimore Convention Center.
11/4/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026





