I have merged into stock a collection of Spain. The years covered were 1950-2007 and many gaps in my stock have been filled. The postmarks were quite nice as Spanish stamps can be heavily marked. Unfortunately, SG have decided to re-number at least 80 stamps in the late 2000s. I really do not like this because when I receive an order from a customer, how do I know if they want the old or new number? Then I have to spend literally hours making the changes and re-setting my stock. So I will see how many people use the new numbers and then I might re-number those stamps.