I think it's typical for small local auctions. I bought a 66-not a redeye- at our local auction last year for $5.00. I was the only bidder. The lady at the auction house told me they generally don't bring much money when I asked.
As enthusiastic as we are about our hobby I think the reality is that there is only a small segment of the population that sews and an even smaller part that collects old machines. The supply, except for certain models, far outstrips the demand.
Rodney