Valuables

Cashier's checks, Money orders, Traveler's checks, Cash letters

Currencies of any nationality

Jewelry

Precious metals and stones

Uncancelled postage, Revenue stamps

Hazardous Materials

Acids, Base of perishable substance

Compressed gas, Spray

Explosives and Combustibles

Magnetic·Toxic·Vaporous substance

Mercury

Opium

Dangerous Objects

Firearms & Swords

Weaponry

Legal Prohibited Items for Carriage

Narcotic

Under the Washington Convention

Articles against the Public Order and Standards of Decency

Pornography

Others

Animals·Plants

Perishables

Remains

Any other classes of materials as which OCS regards it inappropriate