Roman Kovalev lived in Siberia, but last year he moved to St. Petersburg and presently have here a new, big workshop. He is making 9-12 pipes per month. In his production he is using high quality Italian briar as well as various materials for decoration, such as, but not limited by ivory, various bones, walrus tusk and others. He is also using best German ebonite for mousepieces. He also does pipes of strawberry tree.