official seal

基本解释

Our Certificate of Quality is made valid by means of the official seal。
我们的质量证明书盖公章方为有效。
Certified: The State Guest Da Hung Pao packaging bears an official seal from the Fujian municipal government verifying its origin.
政府认证：国宾大红袍的包装上都有福建省政府的官方戳记，产地不会有问题。
Our certificates are made valid by means of the official seal and personal chop of the commissioner。
我们的证明书以盖公章和局长签字为有效。

The Ministry of Education issued a decree establishing an official seal of approval and two types of certificate to be awarded to states and municipalities who succeed in providing good and effective basic education, including youth and adult literacy programmes.
UNESCO: Country Profile: Brazil
It presented the largest music project in the Millennium year with the Vatican Official Seal and has an ongoing relationship with the Italian Ministry of Culture, Foreign Ministry, Equal Opportunities Ministry , the Lazio Region and with many cities in Europe.
UNESCO: OFFICE IN VENICE
The Vice President used the official presidential seal on his podium, as the President did on Friday at Carnegie Mellon, using the presidential seal, at what was clearly announced as a campaign.
WHITEHOUSE: Press Briefing

公章
The village committee official seal, is the symbol of village-level public authority.
村委会公章,是村级公共权力的象征。
管理学
公章