Stefan Krmnicek is a Junior Professor of Ancient Numismatics at the University of Tübingen. He has widely published on various numismatic topics such as ancient coin use, the archaeology of money, coin iconography, and the history of research.

Hadrien Rambach is an independent scholar affiliated with the University of Lille, a professional advisor in ancient numismatics and a dealer in engraved gems and antiquarian books. His research is concerned with all aspects of numismatics, with a special focus on the history of coin collecting.

1. Institutions and individuals-the numismatic world in the long 19th century: An introduction. 2. The coin collector Baron von Schellersheim (1752-1836). 3. Collectors and their coins-the sale of coins and medals at public auctions: The role that the Messrs. Christie played in the numismatic world in the early part of the 'long 19th century' (1766-1831). 4. Giacomo Verità, collector of coins and gems. 5. Domenico Promis (1804-1874), the Turin Royal Coin Cabinet and the birth of archaeological numismatics in Piedmont. 6. General Charles Richard Fox (1796-1873), coin collector. 7. From private collection to public museum-Nicola Bottacin (1805-1875), his numismatic collection and the birth of the Museo Bottacin of Padua (1865). 8. Western collectors of East Asian coins in the 19th century. 9. Chen Jieqi (1813-1884), a coin collector in 19th-century China. 10. A Collector at the periphery of the Austro-Hungarian Empire: Ormós Zsigmond (1813-1894). 11. Jan Pieter Six, a numismatist revisited. 12. Franciszek Piekosi¿ski (1844-1906), his collection of ancient coins, the National Museum and 19th-century Krakow. 13. Greek and Swiss coins: Friedrich Imhoof-Blumer's networks in two scientific communities. 14. The Spöttl collection in the Vienna Museum. 15. August Numismatist-Grand Duke George Mikhailovich of Russia (1863-1919): Fate and legacy. 16. Collector and dealer at the end of the long 19th century: Calouste Gulbenkian and Jacob Hirsch.