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Coins - 1988 Proof Set Certificate with Coin Specifications

With minor changes, the US Mint continued the addition of a pale purple card in the 1988 proof set box with the details about each of the five proof coins in the set. The card, slightly smaller in length and width, easily fit in the proof set box with the lens holding the proof coins.

1988 Proof Set Contents

On one side of the thick card stock included with the 1988 proof set, the Treasury Department's seal for the US Mint is printed in purple ink. The seal includes a shield with a set of scales at the top and a key at the bottom separated by thirteen stars in a chevron pattern. Around the seal are the words "Treasury" at the top and "United States Mint" at the bottom.

1988 Proof Set Treasury Seal

The purple card's opposite side holds the information about the coins in the proof set. In bold purple ink, the title on the card states: "United States Mint Proof Coin Set" with a smaller printed subtitle of "Specifications."

1988 Proof Set Coin Specifications

The specifications for the coins in the 1988 annual Proof Set:

Denomination	Cent	Nickel	Dime	Quarter	Half Dollar
Obverse	Lincoln	Jefferson	Roosevelt	Washington	Kennedy
Designed by	V.D. Brenner	Felix Schlag	John R. Sinnock	John Flanagan	Gilroy Roberts
Reverse	Lincoln Memorial	Montecello	Torch, Olive Branch, Oak Branch	Heraldic Eagle	Heraldic Eagle
Designed by	Frank Gasparro	Felix Schlag	John R. Sinnock	John Flanagan	Frank Gasparro
Composition	Copper Plated Zinc 2.5% Cu Balance Zn	Cupro-Nickel 25% Ni Balance Cu	Cupro-Nickel Clad 8.33% Ni Balance Cu	Cupro-Nickel Clad 8.33% Ni Balance Cu	Cupro-Nickel Clad 8.33% Ni Balance Cu
Standard Weight	2.500 g	5.000 g	2.268 g	5.670 g	11.340 g
Standard Diameter	0.750 in 19.05 mm	0.835 in 21.21 mm	0.705 in 17.91 mm	0.955 in 24.26 mm	1.205 in 30.61 mm
Edge	Plain	Plain	Reeded	Reeded	Reeded

In later sets, the US Mint advises, "To preserve the beauty of your Proof Set, it should be stored in a cool, dry place."

Click 1988 Proof Set to view the contents of the proof set package.

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