Chocolate Poster Design

I'm looking for a designer to create 4 vibrant and fun posters about chocolate. The posters should focus on chocolate origins and ingredients.

Poster Specifications:
- 2 posters: 46 inches wide and 89 inches high
- 2 posters: 30 1/4 inches wide and 89 1/4 inches high

Requirements:
- Fun and pleasant to the eye
- Bright and vibrant color schemes

Ideal Skills and Experience:
- Graphic design expertise
- Experience with large format posters
- Creativity in modern, vintage, or cartoonish styles

Please provide samples of previous work.