At this time in our economy, I think he is high. However, the only way to tell is for him to list it on e8ay and let the buyers set the price.
The Tarter was a lower line target bow for Bear. I would think the Tamerlane, Temujin, and possibly the Alaskan were all higher.
If I were going to make him an offer, I would cap it at $125.00, but that is just me. Someone may pay more.