We will always combine shipping. If items are on sale, we will need to refund you within 24 hours. Shipping policy for domestic small items: The highest shipping plus 75 cents per lot. Larger domestic shipping items are the highest shipping plus $1.00 shipping. Large albums and heavier items vary. The item is a collection of Netherlands O27-40 Blocks in XF (Extra Fine) used condition, excluding O39. It originates from the Netherlands and its colonies, with no certification provided. The stamps are of very fine quality and are ideal for stamp collectors interested in the Netherlands and its postal history. These blocks would make a valuable addition to any collection of European stamps, showcasing the intricate designs and historical significance of Dutch philately.