Parker Rialto / 88 Fountain Pen Cap in Matt Navy. (S220) (3 ratings) £10.00 Quantity: at £10.00 each Add To Basket 0 in your basket View Basket Checkout Parker Rialto / 88 Replacement Fountain Pen Cap. Finished in Matt Navy with a Burgundy cap end. Fits all Rialto / 88 Fountain Pens. Made in the UK New Old Stock!!