Contact Us

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Global Locations

China - Hong Kong SAR
Certified Collectibles Group — International Hong Kong Limited
Suite 1208-10, 12/F, Tower 1,
The Gateway, Harbour City,
25 Canton Road, Tsim Sha Tsui,
Kowloon, Hong Kong, China

Office visits by appointment only.
Hours (Monday to Friday): 10:00am to 6:00pm

(+852) 2115 3639
Service@ASGstamps.hk

ASGstamps.hk

China - Mainland
NGC Shanghai Business Information Consulting Co., Ltd.
Unit 1101-41
Shanghai Central Plaza
381 Huaihai Middle Road, Shanghai, China 200020

Office visits by appointment only.
Hours (Weekdays): 8:45 to 17:30

(+86) 400 635 8226
(+86) 21 6091 8050
Service@ASGstamps.cn

ASGstamps.cn

United States
ASG
P.O. Box 4711
Sarasota, FL 34230
United States

Hours (Weekdays):
8:00 a.m. to 8:00 p.m. EST

Call or text (+1) 855-GRADE10 (855-472-3310)
Message and data rates may apply for text messages.
Service@ASGstamps.com

ASGstamps.com