Berlin Airlift Mural, SWAT art and so much more... Remembering world renowned artist, Mr. Dick Kramer 4/1/38-1/14/2022 →
The telephone lines lit up with SWAT Officers from around the world wanting to know who was doing these drawings and how could they get copies. That was the beginning of our fabulous life.” — Dick Kramer
Read moreThe Gray Water Ops Smart Coin(TM) is protected by a US utility patent
Take your challenge coin to the next level with our patented NFC embedded challenge coins! We put a microchip / NFC chip in the center of the coin. Touch a smart phone to the coin and watch what happens!
Read moreDave Bray custom challenge coin
Antique copper Custom Challenge Coin
Patented NFC chip Custom challenge coins by Gray Water Ops
Monroe County MFE custom challenge coin
This is a 1.75 in antique nickel challenge coin with 3D High Relief on both sides and soft enamel. The coin is 3.5 mm thick. This coin was our September 2020 contest winner for 100 free coins! The least we could do 4 law enforcement involved in the Rochester riots.
4th Special Operations Squadron custom challenge coin
Check out this sharp 1.75 inch black nickel spooky AC gunship challenge coin! 3D detail on both sides with soft enamel. 3.5 mm thick. The real reason to fear the night. Ghost Rider ac-130j gunship
Gloucester Twp. SRT custom challenge coin
This is a 2.25 in coin with 3D High Relief on both sides. One version is black nickel and the other version is dyed black.
Chartiers Two. Fire Dept challenge coin
This is a 2” matte gold coin. 3.5mm thick dual plated with matte nickel
2-135 Infantry challenge coin
This is a 3” antique copper special shape coin with 3d detail.
Harrisburg Capitol Police challenge coins
This is a 2 in challenge coin. The gold coin is dual plated with matte gold and matte silver with 3D detail on both sides and soft enamel. The second version is a black nickel coin with 3D detail on both sides.
Connecticut State Police Governor's security unit challenge coin
This is a beautiful 1.75 inch matte gold coin dual plated matte nickel with hard enamel
Rocklin police Matthew Redding challenge coin
This 1.75” challenge coin is dual plated nickel and bronze with 3d detail and soft enamel.
193rd Special Operations Wing challenge coin
This bronze 1.75 in challenge coin is dual plated with shiny silver and has 3D High Relief on the front.
PSP Troop J challenge coin
This heavy 2” coin is dual plated matte nickel and shiny gold with transparent red and blue paint with 3d detail
ATF DG1 Collar County Crew challenge coin
This 2” dual plated coin has an antique nickel and shiny gold finish, with 3D detail on both sides. We also did an embroidered patch as well! I blocked all of the names on the back of the coin.
Magician Dai Vernon challenge coin
This beautiful 1.75 inch bronze challenge coin has 3D detail High Relief on both sides. It honors the professor and was minted for the Dai Vernon foundation. Dai Vernon wasn't a name that the average person probably didn’t know but every magician knows the name Dai vernon!
AFSOC challenge coin golf ball marker
This is a beautiful 2 in matte gold finish coin with a diamond cut Edge. The front has the app sock logo in 3D and the back has a removable golf ball marker that is held in place with a magnet.
New Kingstown Fire Company challenge coin
This is a 1.75 inch matte gold finish with soft enamel and epoxy on both sides.