Monterey Leather Dog Collar

Belted Cow Company

Brown leather material, Simple, classic design with no prominent stitching, Standard buckle and D-ring design, Overall form factor and width are similar

Auburn Leathercrafters Tuscany Dog Collar

Emerson's Pet Nutrition

Brown leather material, Standard buckle and D-ring design, Overall form factor and width are similar

Euro-Dog Traditional Leather Dog Collar

Chewy.com

Leather material, Excellent light brown/tan color match, Traditional buckle design, Appropriate strap thickness and simple form factor