Whitman Expo
1978-S 1c-$1 Proof Set, 6 Coins Original Government Packaging (OGP)
Greysheet & CPG® PRICE GUIDE
- U.S. Coins /
- Proof & Mint Sets /
- Proof Sets (1936–) /
- 1978-S 1c-$1 Proof Set, 6 Coins /
- Original Government Packaging (OGP)
- Values
- U.S. Coins
- Proof & Mint Sets
- Proof Sets (1936–)
- 1978-S 1c-$1 Proof Set, 6 Coins
- Original Government Packaging (OGP)
Original Packaging: The coins were secured in a clear plastic casing with a red, flocked insert and a black, hinged frame. The hinge provided for an easel display of the set, and the words UNITED STATES PROOF SET appeared at the bottom of the frame in raised, silver lettering. A black cardboard box housed the assembled set, and the words “UNITED STATES PROOF SET • 1978” were printed on it in silver script. Commentary: Sales in 1978 were down a bit from the previous year, but not enough to have any real impact on rarity. The quality of United States Proof coins, which had been progressing steadily since 1972, took a giant leap in 1978. It seems that the Mint was now determined to produce cameo Proofs exclusively. Chromium-plating of the dies, combined with quick replacement of those dies that had begun to show wear, maintained a consistent quality throughout this year’s production run of Proof sets. More skillful preparation of the dies also left fewer polishing lines and other flaws. As a result, the certified grades applied to typical Proofs of this and subsequent years are generally higher than for pre-1977 issues. With this greater uniformity in die preparation came a concurrent reduction in the number of die varieties. In fact, doubled-die obverse and reverse varieties are nearly unknown for Proofs after the early 1970s. Of the few that do exist, most are insignificant in that the doubling is very minor.
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