【Product Description】 This is a set of four unused "Presentation Packs" with explanatory cards issued by Royal Mail of the United Kingdom. These are valuable issues from 1991-1992, featuring graphical sets that vividly reflect the historical context of the time. 【Set Contents】 1. The Green Issue (Environmental Issues): An artistic booklet featuring children's drawings on the themes of global warming and acid rain. 2. EUROPA '92 (Columbus & Barcelona Olympics): A luxurious multi-design commemorating the 500th anniversary of the discovery of the New World and the Olympic Games. 3. Single European Market (European Single Market): A historic issue commemorating the integration of the European market in 1992. 4. SPORT '91 (Sports): Dynamic sports designs featuring the Universiade and rugby, among others. 【Condition】 • Stamps: All are unused mint stamps in very clean condition. • Cover (Outer Packaging): Due to being vintage items over 30 years old, there are minor scratches due to aging. Please understand that these are antique items that have been stored at home for a long time before purchasing. 【Shipping Method】 • We will take measures to prevent folding and water damage, and deliver them carefully.