INDRE-ET-LOIRE (37)- TOURS - View of "Tours". c.1650. Etching engraved by François COLLIGNON (Nancy 1609 - Rome 1687), after Louis de Lincler (active in the 17th century). Printed on two joined leaves. Proof with artists' names, title and text in Latin and French, without Mariette's name, on watermarked laid paper (4-leaf clovers). Margins. RARE AND EXCEPTIONAL ENGRAVED PANORAMA FROM THE XVIIth CENTURY. 20.5 x 82.2 cm in copperplate. 28.8 x 86.4 cm per sheet. A/B condition (two slight traces of vertical soft folds, a few restored tears especially at the folds, rare light stains).