Block's Marble Auctions


The next Marble Auction (#1120) will be held in early November 2019. The catalogue has been posted at  You can view full instructions on how to participate at the "Buy/Sell Info" link on that page (and then click on Chat Room Auctions.


This auction is 150 lots and will include an assortment of handmade, machine made and contemporary marbles.


To receive email notices of this and future auctions, please sign up to the Mailing List. 


The catalogue will be available in mid-October 2019

How to participate

Block's Marble Auctions are governed by the Terms and Conditions of sale. Below is a summary. If you have any questions, contact Bob Block.


Block's Marble Auctions consist of consignments from a wide variety of sources: Collectors, dealers and estates. Lots are offered without reserve.


The catalogue is posted to this website 2 weeks before the auction close date. The catalogue lists each lot with its type, a full description, size, condition, pre-sale value estimate, and 2 to 7 full-color pictures.  All lots are guaranteed to be as described. The pre-sale value estimates are our estimate of the lots' values, based on over 40 years experience buying and selling marbles. They are not a reserve or opening bid.



If submitting bids by e-mail, you must include your name, address and telephone number. Bids received by e-mail without this information will not be considered. If you are a first-time bidder, we may require you to mail us a signed, written verification. All absentee bids must be received by 6PM on the night of the auction.


Payment is preferred to be by Paypal, but we do accept Mastercard/Visa/Discover, personal check, money order, cashier's check or wire transfer. Large invoices paid by personal check might held until the check clears, if you are a first time buyer. 


There is an 18% Buyer's Premium.

We ship by U.S. Postal Service. All packages carry a delivery confirmation number. Insurance is at your option. We will also ship via UPS or FedEx, if you request it. The shipping charge added to your invoice. You are charged actual cost of shipping plus $1.50 for packing material.


Items are guaranteed to be as described. If you have a problem with an item kindly email us within five days of receipt and we will have you ship it back for a refund.


If you have any questions, kindly contact me.