A Miyabi Black 5000MCD67 9.5" bread knife (SKU 34406-243). Official page lists bread and other foods that are tough outside and soft inside. ZDP-189 (MC66) micro-carbide powder steel core with 132-layer flower Damascus, 133 layers including the core. CRYODUR ice-hardened to 66 HRC. Serrated edge. Three-step Honbazuke process, 9.5° to 12°. D-shaped black maple handle. Handcrafted in Seki, Japan. Specs from the zwilling.com Black 9.5" bread page.
This knife sharpens to a razor's edge every time.