GU 001 Customs and Quarantine very old Style Version I Guam Customs & Quarantine - very old patch - version 1 
GU 002 Customs and Quarantine very old Style Version II  Guam Customs & Quarantine - very old patch - version 2 
GU 003 Customs and Quarantine Agency Prototype II Guam Customs & Quarantine - prototype version 1
guam cs1 Guam Customs and Quarantine Agency
This is a new insignia that I have just acquired from a collector in New York, USA. Apparently it is the newest version used by the Guam Customs and Quarantine Agency. Current style and has been worn on uniforms for about the last 10 years. General duties insignia 
GU 003 Customs and Quarantine Agency Prototype II 2 Guam Customs & Quarantine - prototype version 2
GU 004 Breast Eagle Patch Rank Supervisor Guam Customs & Quarantine Breast patch - supervisor rank
GU 005 Breast Eagle Patch Rank Director Guam Customs & Quarantine Breast patch - director rank 
GU 006 Breast Eagle Patch Rank Chief Guam Customs & Quarantine Breast patch - chief rank
guam cs_badge

Corresponding badge to the below insignia

guam 01 Guam Customs & Quarantine Inspectors badge Patch "Officer"
New badge patches will be same basic design, but gold in colour and will have following ranks: Supervisor, Captain, Deputy Director and Director 
GU 007 Breast Eagle Patch Rank Officer

Guam Customs & Quarantine Breast patch - officer rank (variation of above patch)

New badge patches will be same basic design, but gold in colour and will have following ranks: Supervisor, Captain, Deputy Director and Director

guam cet Guam Customs Contraband Enforcement Team
Patch is rubberised on the front, cloth backing. Manufactured by a local (Guam) company as a prototype - never issued and never worn.
GU 008 Contraband Enforcement Team blue Version Guam Customs Contraband Enforcement Team
Blue background patch 
GU 009 Contraband Enforcement Team black Version Guam Customs Contraband Enforcement Team
Black background patch
GU 010 Contraband Enforcement Team subdued Version Guam Customs Contraband Enforcement Team
Subdued version 
guam 02 Guam Customs and Quarantine Agency, subdued insignia, variation 1
GU 011 Customs Quarantine subdued Version Guam Customs and Quarantine Agency, subdued insignia, variation 2 
GU 012 Detector Dog Unit current Style Color Version Guam Customs Dog Handler patch.
The newest addition to the Guam Customs patch collection. It is currently worn by uniformed staff, in addition to the subdued version (below)
GU 013 Detector Dog Unit current Style subdued Version Guam Customs Dog Handler patch.
Subdued version of above patch
GU 014 Detector Dog Unit Prototype Guam Customs Dog handler.
People, don't be fooled by this one. Yes, it was manufactured for the Guam Customs Dog handlers, however it was rejected and another design will most probably surface when they have a design they are happy with. This is not an official patch. 
Guam Customs and Quarantine TaskforceNew Guam Customs & Quarantine Agency - Bio Security Taskforce
Guam Customs Quarantine Agency 2New Guam Customs & Quarantine Agency - Bio Security Taskforce - subdued version
GU 015 Text Patch very big Color Version DW Guam Customs Raid jacket patch
GU 016 Text Patch very big subdued Version DW Guam Customs Raid jacket patch, subdued version