Coin Finds and the Pay of the Roman Army
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ISSN: 0514-7336 BRONZE, SILVER OR GOLD? COIN FINDS AND THE PAY OF THE ROMAN ARMY ¿Bronce, plata u oro? Hallazgos de monedas y L· paga del ejército romano Reinhard WOLTERS Universidad de Tubingen Fecha de aceptación de la versión definitiva: 12-11-2001 BIBLID [0514-7336 (2000-2001) 53-54; 579-588] RESUMEN: A finales de la república y en el alto imperio romano el stipendium del ejército romano no se pagaba en monedas de bronce sino en monedas de plata y probablemente también de oro. Los hallazgos aislados de monedas en contextos militares no son representativos de la circulación monetaria. Para la datación numismática de centros militares es asimismo relevante el hecho de que los soldados no recibieran siempre monedas recién acuñadas. Las monedas locales autónomas no tienen nada que ver con la paga del ejército romano. Su existencia en contextos militares requiere otra interpretación. Palabras clave: Monedas romanas. Monedas locales y autónomas. Stipendium. Datación de yacimientos arqueológicos. ABSTRACT: Also at the end of the Republic and in the Early Roman Empire the stipendium of the Roman army was paid in silver and probably in gold, not in bronze coins. In so far, stray finds of coins in military contexts are not realy representative for coin supply and for coin circulation. Another fact important for the numismatic dating of military places is, that the Roman soldiers didn't received always newly minted coins. Thirdly, autonomous local coins have nothing to do with the pay of the Roman army; their existence in military contexts needs a different interpretation. Key words: Roman coins. Autonomous local coins. Stipendium. Dating of archaeological sites. Very recently, the thesis has been argued supported by the spectrum of coin finds in repeatedly that the Roman troops in the Augus Roman military camps, especially in those on tan time were given their military pay in bron the Rhine. Here, indeed, bronze coins, mostly ze coins —possibly in contrast to an earlier prac asses, dominate and likewise are the more tice of paying them in silver1. Such a view is recent coins whereas silver coins only play a subordinate role in terms of numbers. Gene rally, the silver coins also show the earlier date 1 D. G. Wigg (1997): "Coin Supply and the of minting. Roman Army". In W. Groenmann-van Waateringe et al. This thesis is of fundamental significance (eds.): Roman Frontier Studies 1995. Proceedings of the not only for monetary economy but also for the XVIth International Congress of Roman Frontier Studies. Oxford, pp. 281-288; id. (1999): "Die Rolle des Mili- társ bei der Münzversorgung und Miinzwirtschaft am Rhein in der friihen Kaiserzeit". In W. Schliiter & R. Studies in Cultural Interaction. Portsmouth, pp. 99-124, Wiegels, (eds.): Rom, Germanien und die Ausgrabungen 110 ff; J. van der Vijn (2001): "Monetarisierung und von Kalkriese. Osnabriick, pp. 327-346; id., (1999): "The Handel am Niederrhein in augusteischer Zeit". In M. development of the monetary economy in North Gaul in Grünewald (éd.): Germania Inferior. Besiedlung, Gesells- the late La Tène and early Roman periods". In J. D. chafi und Wirtschaft an der Grenze der romisch-germanis- Creighton, & R. J. A. Wilson (eds.): Roman Germany. chen Welt. Betlin/New York, pp. 397-408, 399. Universidad de Salamanca Zephyrus, 53-54, 2000-2001, 579-588 580 Reinhard Walters I Bronze, silver or gold?Coin finds and the pay of the Roman army numismatic dating of Roman military places. 1. Soldiers' pay, weights and transport Lacking a developed banking system the Roman state practically could bring newly minted coins With the establishment of a professional stan into circulation only by means of state expendi ding army under Augustus military pay had been tures. The expenditures for the army in the standardized firmly at the latest4. The pay of a Roman imperial age have been estimated to have common legionary was 225 denarii a year, which comprised 2/3 of all state expenditures2. Thus, was given to him on three days of the year with newly minted coins had to be brought into cir 75 denarii on each of these days. Under Domi- culation mostly by means of military pays. tian a quartum stipendium was introduced which However, if the stipendium was paid in bronze increased the basic military pay to 300 denarii coins then these must have constituted a parti a year. The payment levels for higher ranks of a cularly large share of the output of the mint. legion were impressive -they increased from one Likewise, these were the coins that probably and a half, double or five times the amount of the were transported straight from the mint to the basic military pay up 15, 30, 60 times the amount legions and auxiliary units and thus came into for centurions up to the primipilus. The basic circulation faster. Correspondingly, the presence pay for members of the auxiliary units is still or non-existence of certain kinds of bronze coins being discussed controversially, but most likely at one location would gain a singular impor was 5/6 of the basic pay of a legionary. tance for establishing a terminus post quern or a 25 denarii were one aureus and thus the terminus ante quern. There are also consequen amounts of money to be paid in the various pay ces, however, for the interpretation of the pic ment levels could always exactly be calculated in tures of the coins: insofar one intended to use gold coins, too. Neither did the situation change with the further augmentations of the pay in the coins to spread certain news or to address par nd rd ticular groups —and again this was feasible most 2 and 3 centuries A.D. The same applies for accurately by means of military pay— for sol unscheduled monetary presents to Roman sol diers as recipients of certain messages one has diers, the donatives, which normally amounted to 75 or 100 denarii5. Thus, a stipendium oí 75 to take into consideration mainly bronze coins denarii could theoretically be paid in form of and not denarii any longer. either 3 gold pieces, 75 silver pieces, 300 large The far-reaching consequences of this the bronze pieces (sesterces) or 1200 normal bronze 3 sis , which has also been accepted in other pieces (asses) respectively. Since sesterces only fields than numismatics, seem to make it advi played a very minor role in the Augustan age, sable to evaluate it critically on the basis of the one would have to assume for the bronze coins available literary and archaeological evidence. payment in form of asses. Since in written sources there are no explicit Three aurei together weighed approximately statements on the topic of this problem, the 24 grams whereas a pay of 75 denarii in silver likelihood of military pay in bronze coins shall pieces amounted to a weight of nearly 300 be assessed from various considerations, and grams. Paid in form of asses the amount to be similarly the basic structures of monetary paid to each soldier on payday added up to supply and circulation in the early Empire shall about 13 kilograms. The yearly payment of a be developed. legion considering the various levels of payment was calculated by Lothar Wierschowski to be 2 R. Wolters (1999): Nummi Signati. Untersu- chungen zur romischen Miinzprâgung und Geldwirtschaft 4 Cf. M. A. Speidel (1992): "Roman Army Pay (= Vestigia 49). Miinchen, 222 ff. Scales", JRS, 82, pp. 87-106; R. Alston (1994) "Roman 3 H.-J. Schalles: "Die Wirtschaftskraft stádtischer Military Pay from Caesar to Diocletian", JRS, 84, pp. Siedlungen am Niederrhein: Zur Frage der wirtschaftli- 113-123; Wolters, Nummi Signati (n. 2), 211 ff. chen Beziehungen des romischen Xanten mit seinem 5 G. R Watson (1994): The Roman Soldier2. New Umland". In Griinewald: Germania Inferior (n. 1), pp. York, 108 ff; R. Duncan-Jones (1994): Money and 431-463, 438, n. 29. Government in the Roman Empire. Cambridge, 39 ff. © Universidad de Salamanca Zephyrus, 53-54, 2000-2001, 579-588 Reinhard Walters I Bronze, silver or gold? Coin finds and the pay of the Roman army 581 1,642,000 denarii. Expressed in terms of weight silver and gold, and nothing was more gratifying this would correspond to over 6,200 kilograms to the Romans, or more awe-inspiring to the of silver or nearly 300,000 kilograms of asses a enemy, than that spectacle"9. year, or 2,000 kilograms of silver or 100,000 If one considers only the third paid in cash kilograms of bronze per payday respectively6. for one legion on one payday, one still had to These figures could be projected to the whole transport almost 700 kilograms of silver assu empire with an average of 28 active legions. ming payment in form of denarii, or over 30,000 These thoughts get restricted by the fact that kilograms of copper assuming payment in asses. military pay was not paid to its full extent. The The transport capacity of an oxcart can be esti 10 army high command organized provisions, clo mated to be about 250 kilograms , requiring thing, equipment and other things centrally; about 3 carts to fetch the denarii and approxi they had to be paid for, however, by the indivi mately 120 carts for the asses. Certainly these dual soldiers. For this purpose the troops had a numbers may be further differentiated taking well-developed accountancy system which regis into account the discrepancies between supposed tered the amounts the soldiers had to pay with and actual troop sizes, other reconstructions bookkeeping methods. This did not require any of payment levels, variations in the amount of actual flow of money.