Mission. 1  The International BaccalaureateÂ® (IB) is more than its educational programmes and certificates. At our heart we are motivated by a mission to create a better world through education. 2  The International BaccalaureateÂ® (IB) is led by the Board of Governors, the Director General and the Senior Leadership Team (SLT).
Hallmark definition, an official mark or stamp indicating a standard of purity, used in marking gold and silver articles assayed by the Goldsmiths' Company of London; plate mark. See more. Dictionary.com
What Is the Meaning of Numbers on Jewelry? How do you determine if a piece of heirloom jewelry has value? What do those barely discernible numbers inside a ring or on the back of a charm mean? The value of jewelry made from precious metals is determined by the purity of the gold, silver, or platinum it contains. The number found on jewelry is a karat hallmark and tells you how much of a metal is in that piece. A hallmark is an indication of a piece of jewelryâs precious metal content.