Promotional campaigns sometimes offer you a free gimmick if you buy enough of the product within a prescribed time frame: “Buy 20 packs of coffee within the month, send in the coupons (or copies) plus 50 dollar to cover shipping and handling costs, and win a free cardiac arrythmia meter”. The “or copies” statement I have always found fascinating. Is this unique to the Netherlands and based on some arcane law? Or is it a marketing gimmick; as long as people feel they can send in 20 copies, they will keep buying the product?
(The actual word used is “natekenen”, which means “copy by hand”.)
And what kind of license is this?