NEW YORK (AP) — A violin made by the famed Antonio Stradivari ... The auction house is estimating the value of the “Joachim-Ma Stradivarius” at $12 million to $18 million.

Though he made cellos and violas, as well, his violin-making techniques were what made him famous. As Stradivari historian Toby Faber writes for Sotheby’s, Stradivarius violins have “no modern ...