The GFRC Open Set Registry Community Project

Pattern 1850-1858 Set

The Pattern set including all Pre-1856 Small cent Patterns, Flying Eagle Patterns and 1858 Transitional Patterns.



Click Collection Name to view its composition. The Blank Collection is an empty version.

Collection Rating Complete Weighted Grade caccoin.com Last Updated
The Blank Collection
Collection Rating Complete Weighted Grade caccoin.com Last Updated
The Manya Collection 6.4 13% 63.4 15% February 1, 2021
The Blank Collection

Rating: The weighted average of all coin grades (i.e. aggregated sum of each coin grade + CAC premium multiplied by its rarity factor divided by the sum of all rarity factors). Missing coins are included and assigned a grade of 0. This metric is the basis for order rank.

Complete: The number of coin entries divided by the total number of coins in the Set.

Weighted Grade: The weighted average of all coin grades (see calculation above), but excluding any missing coins.

%: The ratio of coins certified by CAC (either green or gold sticker). Calculated as the number of CAC coins divided by the total number of entered coins.

Rarity Factor: