Purchase Rare Brand Logos

I collect historic, hard-to-find brand logos and now need help tracking down and legitimately purchasing several more for my archive. The focus is strictly on brand logos (not sports teams or events) and every logo must arrive with its original slogan incorporated in the artwork... (Budget: $10 - $30 USD, Jobs: Art Consulting, Branding, Digital Art, Graphic Design, Illustrator, Logo Design, Photoshop, Vector Design, Visual Design)