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
We are working on the catalog
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