Collectible coins, such as the 1972 San Francisco mint dollars, are often sought after by numismatists and investors for their historical significance, rarity, and potential value appreciation. The 1972 dollars, struck in San Francisco, can include examples in various conditions, including uncirculated and proof finishes. Rolls of these coins may contain multiple specimens that showcase the unique characteristics of the San Francisco minting process, enhancing their appeal to collectors. The value of these coins often depends on factors like mint marks, condition, and market demand.