Frequently, in art galleries, the issue of whether an object is an artwork leaves onlookers in a pickle. In the case of one clearly show in New Zealand, the object in dilemma basically is a pickle. For the exhibition, Australian artist Matthew Griffin plucked a pickle from a McDonald’s cheeseburger and slapped it to the ceiling of the gallery. The piece is just the measurement of a quarter but comes with a cost tag worth a great deal a lot more: NZ$10,000 ($6,200). The artwork, simply just called Pickle, is on watch now at Auckland’s Michael Lett Gallery in group show introduced by Griffin’s dealers, Fantastic Arts Sydney. Drawing on…