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Notes bearing Dates (1369--1378).The day of Santa Maria della Neve [of the Snows] August the 2nd 1473. 696
415:696 : 1369. This date is on a drawing of a rocky landscape. See Chronique des Arts 1881 no. 23: Leonard de Vinci a-t-il ete au Righi le 5 août 1473? letter by H. de Geymuller. The next following date in the MSS. is 1478 (see No. 663).