Here are a few cheap Mercer bread knives. Haven't seen it, but I'm guessing the Zwilling probably looks better if that matters
https://www.amazon.com/dp/B01F35UGKU https://www.amazon.com/dp/B087CCVJX2
Would be interested on knowing whether the Minosharp brings your 10 year old edges back to life. I've never used the Minosharp,, but in my experience, these types of sharpeners work better on thinner knives. Hope it works out for you!