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  Silverback Cipher  
 
Silverback hunters should be familiar with the “pigpen” or masonic cipher, which is a simple substitution cipher exchanging letters for symbols based on a grid.

This cipher can be used to decrypt directions and secret codewords at FBZ geocaches!

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 << SGTF Special Operations
POTAM Gorilla
Geocaching Reference Number TB29NX6

Worth 10 Points (Create an account to enter TB tracking number and earn points!)

 
POTAM Gorilla Tracking Bug ImageCurrent GOAL:
Your TOP SECRET mission (codename Gorilla) is to further this Special Reconnaissance (SR) evidence through any means possible to help it reach its destination at S 24° 15.967 W 048° 25.299 (GCC67), the "Project A.P.E." Mission 4 Southern Bowl Command Center.

About this item:
SGTF speculates this "long lost" coin is a promotional item from the 2001 Tim Burton film, Planet of the Apes. Per SGTF's AOR under "Operation Silverback," operatives to help forward this materials item to the M-04 SB cache for further exploration have been initiated.
 
   
     

Operatives who have logged this TB...

  • Honorable Discharge DUCK432
  •  (Wed 11 Mar 2009 @ 22:28:37 GMT; 1236810517 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge CONDORMAN
  •  (Wed 11 Mar 2009 @ 23:23:43 GMT; 1236813823 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge DICKANDALE
  •  (Thu 25 Apr 2024 @ 20:47:43 BST; 1714074463 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret FEBONIOCLAN
  •  (Wed 08 May 2024 @ 19:33:57 BST; 1715193237 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MPARK65
  •  (Sun 19 May 2024 @ 11:14:43 BST; 1716113683 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MAGICN3
  •  (Wed 12 Jun 2024 @ 13:08:37 BST; 1718194117 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret MIKE2FIND
  •  (Thu 20 Jun 2024 @ 4:40:26 BST; 1718854826 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge ROCKCHALK
  •  (Sat 08 Mar 2025 @ 19:43:06 GMT; 1741462986 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge BROTHERSELDOM
  •  (Sun 16 Mar 2025 @ 21:19:48 GMT; 1742159988 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge TREKKERDMC
  •  (Mon 17 Mar 2025 @ 12:35:41 GMT; 1742214941 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
   

 
   Operation Silverback Prize Ring SILVERBACK Prize Rings

Those who create an account on fbz.geocaches.org and enter mission codewords and POTAM tracking bug numbers receive points towards an Operative ranking. Operatives who achieve the rank of General (700 points) are eligible to receive an official silver Operation Silverback GC.com trackable ring from Oakcoins. Gold rings are available for those who reach the rank of Green Beret (or higher).