This is a 1939 French Indochina 1/2 cent copper coin, certified and encapsulated by NGC. MS (Mint State): Indicates the coin is in uncirculated condition, retaining its original mint details. 63: This is a condition grade, indicating the coin's details are clear with only minor signs of contact. RB (Red-Brown): Indicates the coin has a reddish-brown patina, retaining some of the original copper's red luster while also exhibiting natural oxidation, a typical condition for old copper coins. Issuance Background: Issued in 1939 by French Indochina (the colonial name for present-day Vietnam, Cambodia, Laos, etc.), it was a circulating subsidiary coin at the time. Face Value and Material: Face value 1/2 cent, material bronze, used for small-value transactions under the colonial system. Obverse: Centered circular hole, surrounded by the words "REPUBLIQUE FRANÇAISE" (French Republic), and an image symbolizing French colonial rule. Reverse: Centered circular hole, with the year "1939" above, the denomination "1/2 CENT" in the middle, surrounded by the words "INDOCHINE FRANÇAISE" (French Indochina), and decorated with colonial-style patterns.