Welcome to Centennial Auctions Centennial was established over thirty years ago to provide numismatic and philatelic auction services. Online Sale (Orford) closing June 16 11am ET Our next live Auction will be in Portsmouth, NH. Date TBD Past Auction Catalogs & Results Sale Results 4/30/25 April 2025 Coin Catalog Sale Results 10/14/2024 October 2024 Coin Catalog October 2024 Addendum April 2024 Coin Catalog April 2024 Addendum Sale Results 4/23/2024 Nov 2023 Coin Catalog November 1 Addendum to Sale November 6 Addendum to Sale Sale Results 11/6/2023 Sale Results 11/1/2023 Sept 2023 Coin Catalog Sale Results 9/19/2023 June 2023 Coin Catalog Sale Results 6/13/2023 April Coin 2023 Catalog Sale Results 4/11/2023 November Coin 2022 Catalog (Both Dates) November Stamp 2022 Catalog Sale Results 11/14/2022 Sale Results 11/7/2022 October 2022 Catalog Sale Results 10/10/2022 August 2022 Catalog Sale Results 8/9/2022 Sale Results 8/2/2022 May 2022 Catalog Sale Results 5/23/2022 April 2022 Catalog Sale Results 4/18/2022
