Realistic Couple Oil Portrait

I'm seeking an experienced artist to create a realistic, colorful couple portrait using oil paints.

Ideal skills and experience:
- Proficiency in realistic oil painting
- Experience with portraiture
- Ability to capture likeness and emotion
- Attention to detail
- Portfolio showcasing similar work

Please provide:
- Samples of previous couple portraits
- Estimated time for completion
- Any necessary materials included in your bid