OK Lighthorse, you put me on the right track. I used the following settings and got the attached results:

For all wood parts and quiver:

Specular Glossiness = 100%

Specular Glossiness Color = Black

Lighting Model: Matte

 

For all gold parts:

Diffuse Color: 239,204,135

Diffuse Color Strength: 100%

Specular Glossiness: 85%

Specular Glossiness Color: 239,204,135

Lighting Model: Glossy (Metalallic)

 

For the Blades:

Specular Glossiness: 100%

Specular Glossiness Color = 192,192,192

Specular Strength: 86%

Reflection Color: 192,192,192

Reflection Strength: 85%

Lighting Model: Glossy (Metalallic)

 

Handle of Ranger Sword:

Diffuse Color: 0,50,0

Diffuse Color Strength: 100%

Specular Glossiness: 100%

Specular Glossiness Color = 0,0,0 (black)

Lighting Model: Matte

 

Arrow Head:

Specular Glossiness: 100%

Specular Glossiness Color = 0,0,0 (black)

Lighting Model: Metallic

 

Arrow Shaft, Feathers, Feather Ties:

Specular Glossiness: 100%

Specular Glossiness Color = 0,0,0 (black)

Lighting Model: Matte