2018, New York
2018, Vienna
2018, Geneva
2018, Full Sheet, New York
2009, Definitive, Full Sheet, New York, Single
Definitive, 2015
2022, Definitive, Single, Vienna
2019, Definitive, New York
2023, Definitive, First Day Covers, Geneva
2011, Definitive, Full Sheet, Geneva, New York, Single, Vienna
2022, Crypto, Definitive
2021, Definitive, New York, Single