International Numismatic Bureau slabbed "Ancient Greek Bronze Coin c.400 B.C.-300 A.D. | Coins & Currency Coins Ancient Coins Ancient Greek Coins | Online Auctions | Proxibid
International Numismatic Bureau Slab 5 lot quarters pennies nickel | eBay
Roman Widow's Mite Sized Bronze Coin c. 50 BC - 400 AD - Solari & Co
Lot of (2) New World Pirate Era Spanish Bronze Nummis From 1400 - 1600 AD (INB Encapsulated) | Pristine Auction
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While labels with a green border that says International Numismatic Bureau on it. Has a number on it and a barcode that's all. It says weather it's a wheat cent or a
INB International Numismatic Bureau Third Party Coin Grading Service
INTERNATIONAL NUMISMATIC BUREAU CONSTANTINE THE GREAT ERA ROMAN EMPIRE c. 330 AD for Sale in Glendale, CA - OfferUp
I don't see anything about international numismatic bureau online, what is it? : r/coins