High-Resolution Image Reproduction & Enhancement

I have attached a single JPEG that I need recreated in a true high-resolution version without losing any detail. The final artwork has to look flawless both on large-format print pieces—posters, banners, even billboards—and online, so sharpness and color fidelity are critical... (Budget: $10 - $30 USD, Jobs: Digital Art, Graphic Design, Illustrator, Image Analysis, Image Processing, Logo Design, Photo Editing, Photoshop)