Sports Card Consignment Sales Partner in US

I have a mid-sized sports card collection—roughly valued between $1,000 and $10,000—that I’d like moved on a straight percentage-based consignment. The entire lot is already sorted and sleeved; what I... (Budget: $30 - $250 USD, Jobs: Content Writing, Customer Service, eBay, Internet Marketing, Inventory Management, Market Research, Photography, Product Descriptions, Sales, Shipping)