Switzerland. 2020 Society for the History of Swiss Art. MNH
Switzerland. 2020 Special Events. MNH
Switzerland. 2020 Stamp Day. Basel. MNH
Switzerland. 2020 Street Art. Smart City. MNH
Switzerland. 2020 Swiss Federation of the Herens Breed. MNH
Switzerland. 2020 Swiss Fire Brigade Association. MNH
Switzerland. 2020 Swiss Florists' Association. MNH
Switzerland. 2020 Swiss Football Association. MNH
Switzerland. 2020 Swiss Foundation for Landscape Conservation. MNH
Switzerland. 2020 UCI Road World Championships. MNH
Taiwan. 2008 TAIPEI 2008. 21st Asian International Stamp Exhibition. MNH
Taiwan. 2009 Ferns. MNH
Taiwan. 2010 Bridges. MNH
Taiwan. 2010 Great Chinese Educators. MNH
Taiwan. 2010 Taiwan Sculpture. MNH
Taiwan. 2012 Ancient Chinese Paintings - Three Friends and a Hundred Birds". MNH
