2018, New York
2018, Vienna
2018, Geneva
2018, Full Sheet, New York
2019, Definitive, New York
2015, Definitive
2023, Definitive, First Day Covers, Geneva
2022, Definitive, Single, Vienna
2020, Definitive, Single, Vienna
New York, Definitive, 2019
2022, Definitive, Full Sheet, Vienna
2009, Definitive, Full Sheet, New York, Single
2020, Definitive, Full Sheet, Geneva