Sep 1, 2025 | Coin Collecting, Coin Shows, Coins, Online Auctions, Uncategorized, US Coins
One of the most exciting parts of coin collecting is discovering that a small, ordinary-looking coin in your possession is a key date—one that’s rare, historically significant, or especially valuable to collectors. These key dates serve as milestones within a series...
Aug 21, 2025 | Stamp Auctions, Stamp Collecting, Stamps, Uncategorized
Stamp collecting might seem like a quiet hobby to the outside world, but any seasoned collector will tell you that it’s full of excitement. For many, the thrill lies in the hunt for that elusive stamp: the one that’s hard to find, steeped in history, and perhaps even...
Aug 4, 2025 | Coin Collecting, Coin Shows, Coins, Stamp Auctions, Stamp Collecting, Stamps, Uncategorized, US Coins, World Coins
When you’re dealing with something as personal and potentially valuable as a coin or stamp collection, getting an accurate and trustworthy appraisal is essential. Whether you’re settling an estate, planning a donation, or just want to know what your collection is...
Jul 21, 2025 | Coin Collecting, Coin Shows, Coins, Currency, Stamp Auctions, Stamp Collecting, Stamps, Uncategorized, US Coins, World Coins
If you’ve ever sorted through a box of old coins or flipped through a family stamp album, chances are you’ve wondered: Is this worth anything? It’s a natural question—and one we hear almost daily at Centennial Auctions. Coins and stamps have a long history of being...
Jul 7, 2025 | Coin Collecting, Coin Shows, Coins, Online Auctions, Uncategorized, US Coins, World Coins
If you’ve got a coin or stamp collection, you’re thinking about selling, one of the first questions you’re probably asking yourself is: “When should I sell it?” It’s a fair question—and an important one. The truth is timing really can affect how much you make at...
Jun 12, 2025 | Stamp Auctions, Stamp Collecting, Stamps, Uncategorized
If you’ve ever picked up a stamp and wondered if it’s worth something, your first thought might be, “Is it rare?” That’s a fair question—and rarity certainly plays a role in a stamp’s value. But here’s the truth we’ve seen again and again at Centennial Auctions:...