George Nelson mahogany veneer desk made for Herman Miller, with a leather writing surface, a lid and top cabinet that both open to reveal shelves . An auction largely dedicated to Mid-Century Modern pieces but also to include furniture and furnishings from the Art Deco period, fine paintings, pottery and decorative accessories – more than 500 lots in all – will be held on Sunday, February 19th, by John McInnis Auctioneers , in the firm’s gallery at 76 Main Street in Amesbury, starting at 10 am Eastern time.