2018, New York
2018, Vienna
2018, Geneva
2018, Full Sheet, New York
New York, Definitive, Single, Full Sheet, 2009
2021, Definitive, Full Sheet, New York
2022, Definitive, Full Sheet, Vienna
2023, Definitive, First Day Covers, Geneva
2020, Definitive, Single, Vienna
New York, Geneva, Vienna, Definitive, Single, Full Sheet, 2011
2019, Definitive, New York
Definitive, Geneva, New York, Vienna
2020, Definitive, Full Sheet, Geneva