American made 3/4" Walnut plywood is Good 2 Sides (G2S), grade A-1, is plain sliced, and has a 7-ply veneer core.
Walnut Hardwood 3/4 S4S
Walnut Plywood Plywood, A1 Plain Sawn (P/S), 3/4-in - Hardwood Plywood
1/4 (5.2mm) Premium Walnut Plywood on MDF Core - 24x46 - Woodworkers Source
Plywood - Plywood and OSB
Columbia Forest Products 3/4 X X PureBond Walnut Plywood Project Panel (Free Custom Cut Available) 2344 The Home Depot
Plywood — WINDSOR PLYWOOD KENNEWICK
Teak Plywood - West Wind Hardwood
3/4 x 4 x 8 A1 Walnut Pro-Core2 Plywood at Menards®
Plywoods, Sheet Goods & Veneers - The WoodSource
Walnut Plywood
3/4 Ash 4'x8' Plywood G2S - Made in USA