Set Waterlow 1st printing Castles. The item “1955. SG536-SG539. Set Waterlow 1st printing Castles. Fine unmounted mint” is in sale since Sunday, January 26, 2014. This item is in the category “Stamps\Great Britain\Elizabeth II\Pre-Decimal (1952-1971)”. The seller is “wickham_stamps” and is located in Bromley. This item can be shipped worldwide.