In the entire collection of Cowboyz, there are only 4 that have 2 traits. These are considered the rarest of the 431 Cowboyz. Although #110 is the highest ranking of the 4, #122 is the sole 2 trait Cowboy dawning the traditional Stetson Cowboy hat. This makes him a 1:1. 

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However, the remaining three are regulatorz dawning the bowler hat, which was worn by many outlawz and lawnmen alike. Billy the Kid himself was seen wearing a bowler hat in one of the only pictures ever taken of him. So since regulatorz were deputized to "regulate", the remaining three in this collection are still very desirable, if not more so.