An incredible $254 million (£177 million) of the sales total was made at sports memorabilia and U.S coin sales. Comic books and comic art accounted for 10% of the sales total, whilst other strong departments included film posters, Americana and political history pieces and collectible books.

motherwell Robert Motherwell, Untitled (Ochre with Black Line), 1972–73/1974
Image via Heritage Auctions

2015 was also a landmark year for Heritage, as they held their first New York Contemporary Art sale which saw Robert Motherwell's Untitled (Ochre with Black Line), 1972–73/1974, sell for $965 000 (£671 000.) With works by Contemporary and Post-War masters including Warhol and Lichtenstein, the sales total came in at $3.85 million (£2.68 million.)

blog.php-213 Jenner carrying Olympic torch in 1984
Image via Heritage

A knockout sale at Heritage was the sale of Caitlyn (formerly Bruce) Jenner's 1984 Olympic torch, which sold for $24 000 (£17 000.)

In 2016, Heritage's international presence continues to grow, as the house is set to open offices in Amsterdam and Hong Kong.