A 12-foot tall Basquiat. Modigliani’s greatest nude. 40-plus works on offer to benefit The Studio Museum in Harlem. The last Tamayo dog painting in private hands. The collection of a billionaire businessman. Sotheby’s most exciting and storied works of the season are now on view in New York. View the slideshow to step inside our galleries, and be sure to visit Sotheby’s in person through 16 May.