Click to expand Tap to zoom 1931 2 1/2 Guilden Netherlands Silver Coin in Hard Blue Plastic Case $54.95 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 1931 2 1/2 Guilden Netherlands Silver Coin in Hard Blue Plastic Case. Heavy corrosion on the lower portion of the obverse.