Egg-yolk yellow Rosti melamine kitchen utensils

A set of seven vintage kitchen utensils in rich egg-yolk yellow melamine in excellent condition with little to no sign of previous use. All were made in the 1960s or 1970s, most of them by Rosti of Denmark. Some were made by Rosti for German dessert company Dr Oetker; others for US utensils company Hutzler. The utensils are marked as follows (left to right):
• Dr Oektker 621
• Hammarplast Sweden Design Arne Darnell Art nr 1368
• Mepal Melamine Rosti Design Made in Denmark for Hutzler Des Pat No 211 656
• Mepal Melamine Rosti Design Made in Denmark for Hutzler Des Pat No 213 992
• Dr Oetker 519
• 4005 Made in Denmark Rosti Design Koen de Winter
• Dr Oetker 514