The Kloo violin opus 67, made in 2017, is based on late period Guarneri del Gesù instruments. It has a very generous sound and feel under the bow. Great sensitivity and resonance, ease of playing and a dark, full low range.
You can hear sound samples of this (and other) violins here: https://www.youtube.com/watch?v=fgKxRfhly-w&t=25s
Opus 67 is for sale at Jost Thöne Violins in Germany: http://www.jost-thoene-gmbh.de/default_en.html