Forbidden Zone Geocaches - Special Operations



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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 TOL 09
Geocaching Reference Number TB3VY50

Worth 20 Points (Create an account to enter TB tracking number and earn points!)

	Current GOAL: The TOP SECRET mission (codename M-09 TOL) 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. Its discovery is worth 20 points on this Web site! About This Item: SGTF speculates this regular edition Project A.P.E. coin, minted in antique silver, was released in Sep 2010. The original gold version was minted to commemorate U.S. GeoWoodstock VIII in July 2, 2010. Due to the recent termination of M-09 in Washington and per SGTF's AOR under Operation Silverback, British operatives are required to discover this coin in Meridian Snake and/or help forward this tem to the M-04 SB cache.

Operatives who have logged this TB...

Private First Class MAUL

(Sat 25 Jul 2026 @ 10:11:21 BST; 1784970681 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)


	*Disclaimer: Stories here and at FBZ caches are a combination of historical conjecture, anecdote and pure fiction. Any similarity to any event, group, or person living or dead is merely coincidental. Additionally, SGTF has utilized a variety of signs/stickers as props in the FBZ geocaching series. Labels or warnings (e.g. biohazard, radioactive, etc.) which are fictitious will display some form of the SGTF/Silverback moniker; all other warning signage encountered during this or any other FBZ adventure should be respected and observed as posted. Page Gen: 0.020 Seconds				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).