Four-time Group 1 victor Ivanhowe sired the top two lots for a combined €830,000 during Arqana's Grand Steeple Sale at Auteuil on Saturday. Leading the way was lot 13, Isaac Of York, who sold for €500,000 to Ryan Mahon, Dan Skelton Racing and Manresa Agency. Offered by trainer Mathieu Pitart, the listed winner over jumps also finished second in the G2 Prix Amadou over this course in April. Under the Group 2-winning second dam is group scorer Tertullus (Monsun), while farther back are the group-winning sires Turfkonig and Tiberius Caesar....