Heritage’s July 7 to 10 auctions held in conjunction with the summer Florida United Numismatists convention in Orlando realized $6,583,780. The top lot was a 1915-S Panama Pacific International Exposition round gold $50 commemorative coin graded Mint State 64 by Numismatic Guaranty Corp. that brought $88,125.

This year marked the tenth installment of FUN’s summer show, which is smaller than its annual January show. Next year’s winter FUN show is set for Fort Lauderdale, Jan. 5 to 8, and the 2017 summer FUN is scheduled in Orlando, July 6 to 8.

Here is one of three coins from the sale we're profiling in this week's Market Analysis:

The Lot:

1875 Trade dollar, Proof 67

The Price:

$25,000.48

The Story:

Once in the Gardner Collection, this 1875 Trade dollar graded Proof 67 by Numismatic Guaranty Corp. sold for $25,000.48.

Since 1875 Trade dollars are scarce as circulation strikes, with a mintage of just 218,200 coins, may collectors turn to Proof versions to represent the date, and this particular example had beautiful sky-blue and lilac toning that is deeper at the edges and softer at the centers.

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When it was offered at the third Gardner auction it was graded Proof 66 by PCGS with a green CAC sticker.

At that May 2015 sale it realized $28,200, meaning that, while the coin upgraded from Proof 66 to Proof 67, the numerical upgrade (along with the loss of a CAC sticker, which indicates quality within a grade) did not change the market’s perception of the Trade dollar.

Keep reading this summer FUN focused Market Analysis:

• Beautifully toned 1878-S Trade dollar highlights summer FUN sales
• 1797 Draped Bust half dime with rich pedigree a ‘wow’ coin