Welcome to Block's Marble Auctions

We have been conducting marble auctions since 1989, longer than anyone else, selling hundreds of thousands of marbles over the years. Our mission is to help collectors add properly identified and properly graded marbles to their collections. We don't just have rare marbles in our auctions. We try to offer a full range of collectible marbles so that all collectors can participate. And don't forget you can use our catalogues as an educational tool. Take a look at our upcoming catalogue and register to bid. Browse our past catalogues and learn more about marbles. If you have marbles you want to sell, review the consignor information and drop us an email or text.


Marble Auction #1165 has ended

All Packages have Shipped

All Consignor Payments Have Been Made

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MARBLE AUCTION #1166: 2/22/25

100 Lots of Paperweights / 260 Lots of Marbles.

Live Paperweight Session Begins at 4PM NYC (to accomodate our European collectors)

Live Marble Session Begins at 6PM NYC

Catalogue is Open

15% Buyer Premium. 3.5% Credit Card Surcharge

Subscribe to our auction reminder emails

SEEKING CONSIGNMENTS FOR UPCOMING MARBLE AUCTIONS

Consign Your Marbles With Us

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Why Should You Buy Marbles from Block's Marble Auctions?

Our principal, Robert Block, is the author of Marbles: Identification and Price Guide. He has catalogued and graded hundreds of thousands of marbles over the past 30+ years. Every marble in our auctions is catalogued and graded by him. You can buy with the confidence that every marble you purchase is accurately identified, described and graded for condition.


Why Should You Sell Your Marbles in Block's Marble Auctions?

We have been auctioning marble consignments for over 30 years. We have helped hundreds of executors, dealers, collectors and pickers get the highest price for their marbles at reasonable commission rates. Visit our testimonials page.


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