Welcome to Centennial Auctions
Centennial was established over thirty years ago to provide numismatic and philatelic auction services.
Next live sales
Tuesday, September 15, 2026
in Portsmouth, NH
US & World Gold & Silver, Albums, Type, 900+ Large Cents, Currency, World, Exonumia, Proof & Mint Sets.
Tuesday, November 18, 2026
in Portsmouth, NH
Details to follow