: For rare or high-value items, auction houses like Sotheby's can help you fetch a premium price by targeting serious investors.

: Serious collectors value the original patina; cleaning a coin can significantly decrease its market value.

: If you just have common circulated coins and want quick cash, Coinstar machines provide cash vouchers in exchange for your change. How to Get the Best Price

Do you have a or a large collection you're looking to value right now? Who buys old coins and notes? - Facebook

Seriously Who is buying these old coins nd notes? * Freeman Chibuye. No buyers here, I also have some but no one to buy them here.

: For valuable collections, hire an appraiser from groups like the American Society of Appraisers to get an official valuation.

: Long-standing establishments like Coincraft specialize in everything from ancient coins to modern world banknotes.

: Use online catalogs or professional grading services to understand what similar coins have sold for recently.