Collectible coins, including the 1991 Philadelphia mint quarters, are often sought after by numismatists due to their historical significance, rarity, and potential for value appreciation. The 25c roll of quarters from this era typically features designs from the Statehood Quarters program, which began in 1999. Philadelphia mint marks are denoted by a "P" and signify coins produced at the Philadelphia Mint, one of the oldest minting facilities in the United States. The condition, mint mark, and demand for specific years influence the collectible value of these coins.

Item Denomination Series Year Mint
1991-P 25c Roll 40 Coins 25c Roll Quarters 1991 Philadelphia