Postumus (260-269 A.D.) -  AR Antoninianus - 20.49mm, 3.09g
Obverse - IMP C POSTVMVS PF AVG Postumus, his radiate draped and cuirassed bust right	Reverse - FORTVNA AVG Fortuna standing left, holding rudder and cornucopiae.
Minted in Colonia Claudia Agrippina Augusta (Cologne, Germany) in 265-268 A.D. Reference:   Webb, P.H., "Roman Imperial Coinage", Volume 5, Part 2 (RIC), p342, nr. 60. Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p359, nr. 10941. Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 6, p24, nr. 80. Seaby, H.A. & Sear, D.R., "Roman Silver Coins" (RSC), Volume 4, p128, nr. 80. Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p267, nr. 14. Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p553, nr.137 (B29, O20, R40, T20, M1). Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II-Digital),  p465, nr.137 (B29, O19corr, R40, T76, M1). Kampmann, U., "Die Münzen der römischen Kaiserzeit", 2nd edition, (Kampmann) p333, nr. 98.26. Quality: Very Fine+ Rarity: C (Common)
On the 12th of June 1930 this coin was bought by the Penningenkabinet of the Rijksuniversiteit Leiden from mr. C.J. Kortenbach, an architect and building overseer of the municipality of Leiden, who had an avid interest in ancient history and also collected coins.