Money Art • Squaring the Circle • Valuation History
Valuation History
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Cover of the World Coins Catalog (2005)
The Squared Quarter was featured on the front cover of the the 500-page World Coins Catalog, 4th Edition, published in 2005.
Squared Quarter Listing
These coins listed in the 2005 Unusual World Coin Catalog are available for sale.
Full Listing of Squared Quarter
All versions of the Squared Quarters including test pieces and promotional items.
Auction Catalog Cover (1990)
Listing from 1990 Auction Catalog
Sales record of 1990 Auction
Smithsonian Institution (1988)
Donation of dies, die proofs in lead, and sample pieces of the various versions
