The Cozio Carteggio

The Cozio Carteggio takes its name from Count Cozio’s notebooks, which form the first historical record of fine instruments and their makers. Each week, the Carteggio publishes features about the string world, from expert commentary on historic instruments and bows, to interviews with musicians and analysis of the string market. Contributors will include Carlo Chiesa, John Dilworth, Philip J. Kass and many other experts.

New features are published every Tuesday. To have these delivered straight to your inbox, sign up for our newsletter.

Latest Feature

Johann Knoop

Baron Knoop

He was one of the great collectors of fine stringed instruments and many famous violins now bear his name – but who was Baron Johann Knoop and what made him sell his collection in the early 20th century?

By Harriet Grace

Nearly a hundred years ago, on May 9, 1918, my great-grandfather, Baron Johann Ludwig Knoop, died at South Park, his large house in Wadhurst near Tunbridge Wells, aged 71. Virtually unknown, he had owned possibly the world’s finest collection of stringed instruments, including the ‘Lady Blunt’ and ‘Alard’ Stradivari violins, and at one point had […]


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