![[GNR] "Green Monster" GM School House Challenge Coin](http://eccentriq.com/cdn/shop/products/GM-Green_Monster_Brass_1_1024x1024.jpg?v=1663862693)
![[GNR] "Green Monster" GM School House Challenge Coin](http://eccentriq.com/cdn/shop/products/GM-Green_Monster_Brass_1_480x480.jpg?v=1663862693)
![[GNR] "Green Monster" GM School House Challenge Coin](http://eccentriq.com/cdn/shop/products/GM-Green_Monster_Brass_2_480x480.jpg?v=1663862693)
![[GNR] "Green Monster" GM School House Challenge Coin](http://eccentriq.com/cdn/shop/products/GM-Green_Monster_Blue_1_480x480.jpg?v=1663862692)
![[GNR] "Green Monster" GM School House Challenge Coin](http://eccentriq.com/cdn/shop/products/GM-Green_Monster_Blue_2_480x480.jpg?v=1663862693)
Green Monster GM Challenge Coin
The "Green Monster" is our pilot coin for the GM Rating series of challenge coins. The most popular GM coin to date features the GM green glass schoolhouse in Great Lakes, IL. Popular amongst all GMs but hitting home for all of the salts out there, retired and active duty.