Hong Kong
tel: (852) 2918 4321
email: Keason Tang
www.bonhams.com/hongkong
United States
tel: (212) 644 9001
email: Michael Hughes
United States
tel: (415) 503-3333
email: Dessa Goddard
United States
tel: (212) 636-2180
email: Margaret Gristina
www.christies.com
United States
tel: (415) 982-0982
email: Andrew Lueck
www.christies.com
United States
tel: (312) 447-3260
email: Annie Wu
www.hindmanauctions.com