Vintage Movie Poster Design

I need a vintage-style movie poster for the film "We Are All Americans," premiering at 7pm, July 5th, 2025, to benefit the Jamesport Meeting House.

Key Details:
- Starring: Abraham Lincoln, Frederick Douglass, Jefferson Davis, and the American News Network
- Sponsored by: JP Morgan Chase
- Dimensions: 18x24 inches

Requirements:
- Emphasize main characters, event details, and sponsors
- Experience in vintage poster art design
- Attention to historical accuracy and detail

Please share your portfolio and relevant experience.