The role of Constantinople was transportation of the Polish kermes to Eastern Mediterranean according to the Venetian merchant Giacomo Badoer s book of accounts, between 1436 and 1440.During this period, according to this contemporary Venetian book, price of one slave was equivalent to 107.38 g gold or 20.26 kg Ararat kermes. 1 kg of Ararat kermes allowed to dye 1.688 kg silk into crimson. The price of 10.957- 15.791 kg of polish kermes was equivalent to one slave ( 107.38 g gold) and 1 kg of Polish kermes allowed to dye 1.8- 2.6 kg of silk into crimson. For this reason, Polish kermes was cheaper than Ararat kermes.
