Carp Mountaineering began in 1988 as a climbing instruction school that offered guided events. Metamorphosis Studio joined Carp in 1989 and started making climbing holds in May 1989 in Boulder Colorado, USA. Holds designed by Ramsay Thomas.
Carp - May 1989 advertisement
1991 Carp Mountaineering advertisement
Carp Mountaineering banner Located at Cat's Gym in Colorado Photo by: James O'Connor
Carp Mountaineering advertisement - May 1988
Carp Mountaineering advertisement - 1988
Carp Mtneering - September 1989 advertisement
Carp - November 1989 advertisement
I am not sure if this hold was made by Carp Mountaineering, but the material that the hold is made of looks the same.