Cart Continue Shopping “(Karel Appel). Karel Appel’s The Chelsea People. Martha Jackson Gallery, New York, June 16-July 16, 1971” has been added to your cart. Product Price Quantity Total × (Karel Appel). Karel Appel's The Chelsea People. Martha Jackson Gallery, New York, June 16-July 16, 1971 $50.00 1 $50.00 Coupon: Cart Totals Subtotal $50.00 Shipping Flat Rate domestic: $4.99 Total $54.99 Proceed to Checkout