PCGS Proof 68 1968 Roosevelt, No S dime realizes $31,102.50 in GreatCollections auction

PCGS Proof 68 Deep Cameo 1990 Lincoln, No S cent brings $5,144.70
By , Coin World
Published : 04/08/15
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Collectors bid fiercely online April 5 in GreatCollections' offering of the Cigarra Collection of U.S. coins missing Mint marks.

Among Proof United States coins missing the S Mint mark, a 1968 Roosevelt, No S dime, graded Proof 68 by Professional Coin Grading Service, realized $31,102.50 including the 10 percent buyer's premium.

Ninety-one bids were placed by 13 different bidders, according to the GreatCollections auction results.

Other No S coins that were part of the Cigarra Collection and their prices realized are:

➤ PCGS Proof 68 Deep Cameo 1990 Lincoln, No S cent, $5,144.70 (11 bidders, 66 bids).

➤ PCGS Proof 68 Cameo 1970 Roosevelt, No S dime, $1,875.50 (nine bidders, 54 bids).

➤ PCGS Proof 69 Cameo 1971 Jefferson, No S 5-cent coin, $2,310 (12 bidders, 51 bids).

➤ PCGS Proof 69 Deep Cameo 1983 Roosevelt No S dime, $937.20 (19 bidders, 44 bids).

The cause of the missing Mint mark errors is the same — the dies used for striking each coin did not have the appropriate S Mint mark from the San Francisco Assay Office added. At the time of the cent's striking in 1990, the San Francisco facility had been elevated to full Mint status.

For each of the missing Mint mark coins, the dies for the San Francisco facility would have been prepared in the die shop at the Philadelphia Mint. Preparation was to include applying the S Mint mark before shipping the dies. In each case, either a Mint mark was omitted in error during the course of preparation, or a die intended for use in circulation production at the Philadelphia Mint was shipped in error to the San Francisco facility, where it was given Proof surfaces and put to use.

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