This looks similar: https://www.kitchenknivesonline.com/products/12-ulu-chef-knife-walnut

A menkiri (Japanese noodle knife) may also work: https://www.amazon.com/Tokusen-Noodles-kitchen-Making-personal/dp/B001TPJ8NK

You may also get a better answer in r/chefknives.

Alternatively (and this would be my first suggestion) you could get a whetstone and learn to sharpen yourself. This is a lifelong skill that would apply to all of your kitchen knives.