Welcome to Centennial Auctions Centennial was established over thirty years ago to provide numismatic and philatelic auction services. Upcoming Auctions Upcoming Sales June 13, 2023 Catalog Auction Results Sale Results 4/11/2023 Sale Results 11/14/2022 Sale Results 11/7/2022 Sale Results 10/10/2022 Sale Results 8/9/2022 Sale Results 8/2/2022 Sale Results 5/23/2022 Sale Results 4/18/2022 2022 Auction Catalogs April Coin 2023 Catalog November Coin 2022 Catalog (Both Dates) November Stamp 2022 Catalog October 2022 Catalog August 2022 Catalog May 2022 Catalog April 2022 Catalog