Herald Series (Britains) Farm Models 2-dozen trade box of Pig Troughs, now containing 3 (of 24) – contained in a magenta, charcoal and white trade box – still has the original packing tissue – carton is crisp, with only slight age wear – price 5d in pencil to plain printed Herald Farm label – contents are all near mint – dating to circa 1959 this is a hard to find farm series trade box in this condition.