 In total, he produced over 620 engravings, most of which were copies of other prints; they represent about 20% of print production by all Northern European artists in the period of his working life.His career lasted long enough for him to copy Dürer prints.He was active from 1465 until his death, and continued to work as a goldsmith; there are some surviving pieces, and many documented commissions from the city of Bocholt.