Esperto di Monete e banconote
Tonga. 10 Pa`anga 1998 La Princesa - 1/25 Oz.
Russia. 10 Roubles 1980 Tug of War / 1980 Summer Olympics, Moscow
Isole Cook. 50 Dollars 1992 Pedro Menendez
Russia. 10 Roubles 1978 Equestrian Sports / 1980 Summer Olympics, Moscow
Isole Cook. 50 Dollars 1990 Jacques Cartier / 500 Years of America Series
Isole Cook. 50 Dollars 1993 Americo Vespucci
Isole Cook. 50 Dollars 1993 William Penn
Italia. 5 Euro - Medal 2004
Liberia. 12 Dollars 2008 - Ireland - 1/50 Oz.
Liberia. 12 Dollars 2011 - Latvia - 1/50 Oz.
Paesi Bassi. Gold medal Emma van Waldeck-Pyrmont, vorstin in Goud
Russia. 10 Roubles 1979 Volleybal / 1980 Summer Olympics, Moscow
2 grammi - Oro .999 - Heimerle + Meule, Germany
Isole Cook. 5 Dollars 2016 - Brexit (.999) Proof
Liberia. 12 Dollars 2008 - Italy, Colosseum - 1/50 Oz.
Russia. 10 Roubles 1979 Judo / 1980 Summer Olympics, Moscow
Stati Uniti. 1 Dollar 1990 - American Silver Eagle - Walking Liberty
10 grammi - Oro .999 - Heimerle + Meule - Sigillato
2,5 grammi - Oro .999 - PAMP, Switzerland - Sigillato e con certificato
Congo. 100 Francs 2021 - Archaeopeteryx (.999) Proof
Fiji. 5 Dollars 2021 - Sir Francis Drake (.999) Proof
Laos. 10.000 Kip 2001 Golden Dragon Fish
Antille olandesi. 300 Gulden 1980 Juliana
Paesi Bassi. Gold medal Wilhelmina, vorstin in Goud