Realistic Historical Drama Book Cover

I'm looking for a skilled artist to create a realistic book cover for my 6 x 9 WWII historical drama novel about an SOE agent in France and Germany.

Key Requirements:
- Realistic style
- 6 x 9 dimensions
- Theme: WWII, espionage, historical drama

Ideal Skills:
- Experience in creating realistic book covers
- Strong understanding of historical themes and accuracy
- Proficiency in digital or traditional art techniques

Please provide a portfolio showcasing similar work.