The 1991 Pro Set football card collection, released during a period of increased popularity in sports card collecting, contains a range of cards with varying levels of desirability among collectors. Identifying which examples command higher prices involves considering factors such as player prominence, condition, rarity of error cards, and overall demand within the collecting community.
The appeal of certain cards from this set stems from both nostalgia and perceived scarcity. Although mass-produced, specific cards featuring iconic players or possessing documented printing errors can become sought-after items. Furthermore, the historical context of the 1991 NFL season, including notable player achievements and team performances, contributes to the lasting value and collectibility of specific cards within the set.