One useful dating aid for decks manufactured by United States Playing Card Co., is a dating code placed on the Ace of Spades at time of manufacture. The code was thought to have first came into use in 1904. It only applies to aces of spades.
D92 Would represent the year 1901 or 1942. Since this AoS was only used for a few years after 1899 we know the year 1901 would be correct.
It used to be generally accepted that this dating started in 1904. This was recently found to be incorrect. Research conducted by Touya Yabuhashi, a scholar from Japan, has provided evidence for the use of the “A” dating code in 1898, and brought the chart up to date to 2022 with numerous corrections.