The engravers' signatures discussed in this book were inscribed over a
thousand years ago on the metal surfaces of coin dies which measured no
more than three and half centimetres in diameter. Although not a single
signed die has survived to the present day, a small number of the many
thousands of coins made from them remain in coin collections all over
the world. What do these tiny marks have to tell us about the early
medieval Islamic world? In fact they tell us a great deal about the
working lives of two metalworking craftsmen, Muj?b and ?asan, who made
dies for mints in Afghanistan and Iran (293/905 to the 360s/970s). The
signatures allow us to identify a number of dirham dies that can be
attributed to each engraver. By comparing the style of these signed dies
with unsigned dies of the same period we can build up a corpus of
objects that can be attributed to each craftsman. The die corpus
provides a pool of evidence upon which to base a detailed study of the
engraver's working practices. It allows us to see how he manufactured
these objects, what kind of tools he used, the styles of script he chose
and even the mistakes he occasionally made. Our engravers' working
environment was very different to that of the caliphal period which
preceded it. When the unitary caliphal state fragmented into numerous
successor state polities, the highly regulated centralised caliphal die
workshop disappeared. Since there were no trained dirham die engravers
in the successor states, the new rulers were forced to employ craftsmen
who had learned their profession as metalworkers or gemcutters in the
bazaar, whence they brought their signing practice into the mint. The
signing phenomenon, though short-lived, illustrates the momentous
changes caused by the collapse of the caliphal monetary system.