Welcome to Centennial Auctions Centennial was established over thirty years ago to provide numismatic and philatelic auction services. View Catalog- April 30 Sale Bid Sheet 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
