The product is a lot of 16 circulated Hong Kong coins with denominations ranging from 10 cents to 5 dollars. The coins were minted from 1978 to 1991 and are uncertified. They are part of the KM Number C236 series, representing the country or region of manufacture as Hong Kong. This collection of Hong Kong coins offers a variety of denominations and years, making it a diverse and interesting addition to any coin collection.