Cents Sets

Patina Set

At least one Notable or higher from each of the 4 base patinas (Verdigris, Obsidian, Desert, Red).

Sig Set

At least one Significant or higher from each of the 4 base patinas (Verdigris, Obsidian, Desert, Red).

Spectrum Set

At least one Notable or higher from each of the 4 base patinas as well as the 2 noble patinas (Gold, Orange).

Fulls Set

At least one Full from each of the 4 base patinas (Verdigris, Obsidian, Desert, Red).

Full Spectrum Set

At least one Full from each of the 4 base patinas as well as the 2 noble patinas (Gold, Orange).

Contamination Sets

Based on how many of the 12 distinct contamination types a collection covers across its Cents.

• Contamination Set – covers at least 3 of the 12 contamination types.
• Contamination Hoard – covers at least 6 of the 12 contamination types.
• Full Contamination – covers all 12 contamination types.

Chronicle Set

Holds at least one Cent minted in each of 1971, 1979 and 1982.

Decades Sets

For each decade (1940s–1980s), holds at least one Cent from every mint year of that decade present in the collection.

• 1940s Set – every 1940s mint year represented.
• 1950s Set – every 1950s mint year represented.
• 1960s Set – every 1960s mint year represented.
• 1970s Set – every 1970s mint year represented.
• 1980s Set – every 1980s mint year represented.

Three Decades Set

Holds a complete decade set for the 1960s, 1970s, and 1980s (1960–1982).

Full Decades Set

Holds a complete decade set for every decade present in the collection.

All Decades

Holds at least one Cent from every decade present in the collection (any mint year).