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The numismatic chronicle and journal of the Royal ... - IndianCoins.org

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MISCELLANEA. 317<strong>The</strong> alloy <strong>of</strong> which <strong>the</strong>se coins are made resists <strong>the</strong> action<strong>of</strong> <strong>the</strong> usual corroding agents, which probably accounts for<strong>the</strong> fact that <strong>the</strong>y are merely tarnished superficially.B.Coins corresponding to those described in <strong>the</strong> NumismaticChronicle, Vol. XI (1911), pp. 42-56 (A Hoard <strong>of</strong> Eoman<strong>and</strong> British Coins from Southants), <strong>and</strong> figured onPlate iv.<strong>The</strong>se coins have suffered considerable corrosion. In <strong>the</strong>one selected for analysis only <strong>the</strong> internal portions remain asa metallic core. <strong>The</strong> external portions are completelyoxidized.<strong>The</strong> coin probably occupied less volume i.originally, e.it was denser than at present. From <strong>the</strong> analysis in itspresent condition <strong>the</strong> original composition which is indicatedis (in round figures):Copper. . 79 per cent.Tin . . 11-5 per cent.Lead . . 9-5 per cent.C.<strong>The</strong>se coins appear to be <strong>of</strong> <strong>the</strong> same general character asthose marked "B", but <strong>the</strong>y cannot be positively identifiedwith ei<strong>the</strong>r <strong>of</strong> <strong>the</strong> illustrations.<strong>The</strong>y show certain marked distinctions from those<strong>of</strong> "B":(1) In <strong>the</strong> coin selected for analysis no metal core remainsit is completely oxidized throughout.(2) <strong>The</strong> composition differs by <strong>the</strong> absence <strong>of</strong> lead, <strong>and</strong><strong>the</strong> original proportions <strong>of</strong> copper <strong>and</strong> tin were (in roundfigures) : Copper. . 93 per cent.Tin . . 7 per cent.(3) <strong>The</strong> coins probably occupied considerably less volumethan at present.So far Dr. Smith's report. His results are <strong>of</strong> considerableinterest. <strong>The</strong> following observations may be made on <strong>the</strong>m.<strong>The</strong> specimen <strong>of</strong> A was one from <strong>the</strong> Brentford find(So<strong>the</strong>by's Catalogue, 8, xii, 1915, lot 280), kindly presentedfor <strong>the</strong> purpose by Mr. A. H. Baldwin.As regards <strong>the</strong> o<strong>the</strong>r pieces, <strong>the</strong> coins described under B

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