The emphasis throughout my collecting has been on the design of the courts cards, and it should be pointed out that there have been some functional changes to cards, which have affected the traditional designs, especially in the 19th century.
Dating is a particularly tricky but very interesting problem to tackle and there are many pitfalls.
A recreated of the original 1876, No. 18, Triplicate deck by A. Dougherty by Michael Scott in 2014.
Large index broad size cards by AGMüller using a special red ink suitable for casinos.
No.50 appears at the bottom of the Ace of Spades and the cards have corner indices and miniature suit symbols in the corners.
Dougherty was at the forefront of innovation, adding Best Bowers and then Jokers, rounded corners and various types of indices, or indicators, to his cards.
Samuel Hart was a prolific manufacturer of playing cards who commenced business sometime around 1845 in Philadelphia. He had previously worked for L.I. Cohen.
Dougherty first secured a patent for “Triplicates” in 1876, a novel type of indices with a miniature card in the top left-hand corner (and bottom right).