国璽

1. Origins, structure, and basic meaning

• Structure: 国璽 is read as こくじ and is a noun for the official state seal used on authoritative state documents.
• Basic usage: Official stamping appears in 国璽を押す, while a display copy appears in 国璽の複製.

2. Common pitfalls and similar expressions

• Difference from 印鑑
  • 印鑑 broadly covers seals used by individuals or organizations; 国璽 is the official seal representing the state.
• Original and replica
  • 国璽の複製 reproduces the seal for display and does not imply the same official function as the original.