The latest visible partial ( I say partial, meaning that the tree was still standing) ring on the bass side dates 1690 and 1704 on the treble side.
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The strongest is actually very strong (t-value=13) and graphically looks very close indeed, although the ring series are shorter on this violin supposedly Michael Platner(103) and I wouldn't be surprised if they were from different parts of the same tree, followed by a Carlo Bergonzi (72), a Salzburg violin by Johann Paul Schorn c.1700 (131), c.1735 Guarneri del Gesù (74), violin attributed to Pietro Guarneri of Mantua (79), 1747 C.Bergonzi (71), 1729 Stradivari (72), 1732 Carlo Bergonzi (73), Matteo Goffriller (80), early 1700s probably Carlo Tononi (91), 1755 GB Guadagnini (83), Guarneri del Gesù "Panette" (74), 1768 Nicola Gagliano (73), 1726/28 Del Gesù (76), 1727 Stradivari (84), Italian labelled Guarneri (143), Sanctus Serafin(95), Del Gesù (96), Alessandro Zanti (105), Carlo Tononi (90), Cappa school(128)1759 Gabrielli(86) etc...
Essentially, the dendro results certainly support an Italian attribution and with a dendrochronological date of soon after 1704, we can consider a making date from about 1710 onward.
Peter Ratcliff, Brighton 2024
