|Released||8 December 2001 (Update)|
|Examine||Each certificate exchangable at draynor market for 5 lobsters|
|High alch||6 coins|
|Low alch||4 coins|
A Lobster certificate is a certificate that is obtained by exchanging five lobsters with Niles at Draynor Village market, Seth at Brimhaven or Orven at Fishing Guild. Lobster certificates are stackable and each one can be exchanged back for five lobsters by talking to their respective certer.