All genuine honda part will state the following information on the parts like fastfwd posted:
1. HONDA
pretty straight forward
2. Manufactured date
A time table with year and months indicated with dots
3. Part number
77512-SO3-8596x for example
4. Materials
>PP> , ABS,
5. Chasis
SO3, SO4, or SR4....etc
You won't get it wrong if you see those.