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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 Krull
Geocaching Reference Number TB2AQKG

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

 
POTAM Krull Tracking Bug ImageCurrent GOAL:
Your TOP SECRET mission (codename Krull) is to further this Special Reconnaissance (SR) evidence through any means possible to help it reach its destination at N 37° 50.758 W 121° 56.068 (GCWBRF), the "Return to Planet of the Apes" California Command Center (formerly Devil's Spoon) in Mt. Diablo State Park.

About this item:
SGTF speculates this "long lost" trading card 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 GCWBRF cache for further exploration have begun.
 
   
     

Operatives who have logged this TB...

  • Honorable Discharge DUCK432
  •  (Mon 23 Mar 2009 @ 18:45:17 GMT; 1237833917 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge CONDORMAN
  •  (Mon 23 Mar 2009 @ 20:59:55 GMT; 1237841995 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge DICKANDALE
  •  (Sun 17 Mar 2024 @ 20:48:31 GMT; 1710708511 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MAGICN3
  •  (Fri 20 Sep 2024 @ 18:11:59 BST; 1726852319 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MPARK65
  •  (Fri 20 Sep 2024 @ 19:13:08 BST; 1726855988 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret FEBONIOCLAN
  •  (Sat 21 Sep 2024 @ 21:08:55 BST; 1726949335 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MIKE2FIND
  •  (Wed 25 Sep 2024 @ 10:06:09 BST; 1727255169 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge BROTHERSELDOM
  •  (Sat 08 Mar 2025 @ 22:04:38 GMT; 1741471478 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge TREKKERDMC
  •  (Sun 09 Mar 2025 @ 13:43:24 GMT; 1741527804 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge ROCKCHALK
  •  (Sun 09 Mar 2025 @ 22:13:55 GMT; 1741558435 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge FLAGMAN
  •  (Mon 07 Jul 2025 @ 6:16:14 BST; 1751865374 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).