Two rare 1792 patterns led bidding at Heritage’s April 27 to May 1 auctions during the Central States Numismatic Society 77th annual convention in Schaumburg, Ill., with one nearly hitting the $1 million mark. At $22.3 million, the total for the U.S. coin portion of the sale fell below totals of the last few years, but many exciting rarities still traded hands in Chicagoland. 

Here is one of three that caught my eye and are the focus of this week's Market Analysis.

The coin:

1979-P Anthony dollar struck on a 1978 quarter dollar, Mint error, MS-66

The price:

$14,100

The story:

Errors rarely get more impressive than this 1979-P Anthony dollar struck on a 1978 Washington quarter dollar. The coveted example of a double-denomination and double-date error is graded MS-66 by Numismatic Guaranty Corp. and brought $14,100. It was offered alongside several other impressive small-size dollar errors in the auction.

COIN VALUES: How much is your 1979-Anthony Dollar worth?

Visually, this is one of the more intriguing double-denomination errors, especially in how the eagles interact and merge with the portraits on both sides, creating an almost surreal appearance.

The date of the Anthony dollar is clear and the date of the quarter dollar is readable near 3 o’clock relative to the reverse. Heritage writes, “Our consignor states that this is one of only two known 1979-P dollars overstruck on a quarter, and the only one with a different dated undertype,” adding, “Our online auction archives show a number of Anthony dollars struck on wrong planchets, but only one prior appearance of an Anthony double denomination error: a 1999-P dollar on a Georgia state quarter.”

Keep reading this Market Analysis:

Example of first U.S. gold pattern realizes $28,200 at CSNS auction

Vivid toning, dramatic contrast on Proof 1951 Roosevelt dime

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