Just found this Wooden Fly Boxes - River Series Wooden Fly Box

Fly Box WALKER RIVER MAP Handcrafted, Custom Designed, Laser

The fly box is a solid, burl maple box with 2 magnetic catches. The box is lined with pre-slit foam capable of holding up to 100 flies.

Burl Maple Fly Box

A.L. Swanson River Series Wooden Fly Boxes | Trout Ai

Wooden Fly Boxes by Fairy River Manufacture

Handmade Cedar Wooden Fly Box - FrostyFly

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Fancy yet Functional River Series Fly Boxes at Wolf Creek Angler