UNKNOWN HOLD # 6 - made of resin plastic - I purchased these while on a climbing trip to Joshua Tree, CA. While at Trash Can Rock, out of the trunk of somebody's vehicle, freshly made, 11/1988.
UNKNOWN HOLDS # 8 - Feels like a molded granite hold - awesome hold! - c. 1990s
UNKNOWN HOLDS # 9 - Holds are very heavy, resin with sand mix - Holds were donated to the AZ Hiking Shack sometime 2015-2017, customer did not have any info on them. A few of the holds have sea shells imprinted on them.