Exchange Offers: MNH** (worldwide)

#497, Switzerland,1961 ProJuventute,The 100th Anniv. of the Death of Jonas Furrer, Meadow and Garden Flowers

#498, Switzerland, 1961 Pro Patria, Sinnbild, Mineralien und Versteinerungen

#499, Switzerland, 1962 Pro Patria, Jean-Jacques Rousseau, alte Schweizer Münzen

#501, Switzerland, 1963 Werbe- und Gedenkmarken

#502, Togo, 1959 Konkomba Helmet, Inscription REPUBLIQUE, DU, TOGO

#503, Turkey, 1964 Olympic Games, Tokyo, Japan

#504, Turkey, 1964 The 125th Anniversary of the Reformation Decrees

#506,Turkey, 1970 Ataturk

#509, Barbuda, 1978 Anniversaries

#511, Bulgaria, 1990 Butterflies, separate stamps

#512, Turkey, 1970 -1971 Ataturk

#513, Turkey, 1979 International Year of the Child

#514, Turkey, 1982 The 100th Anniversary of the Birth of Ibrahim Calli, Painter

#515, Turkey, 1983 The 50th Anniversary of the Turkish State Airline

#516, Turkey, 1983 World Communications Year

#517, Turkey, 1984 Olympic Games - Los Angeles, USA

#518, Portugal, 2000 The 50th Anniversary of Peanuts

#519, Gibraltar, 2012, Endangered Animals

#520, Gibraltar, 2019, Europa Stamps, National Birds

#521, Niuafoou, 2012 Butterflies

#522, Cambodia, 1984 Olympic Games, Los Angeles, USA

#523, India, 2005, Flora and Fauna of North East India

#524, Uganda, 1986 Royal Wedding of Prince Andrew and Miss Sarah Ferguson

#525, Ukraine, 1992 Definitive Issue

#526, Ukraine, 1992 Olympic Games, Barcelona 92, Spain