--snip
They were the first ASICs in history actually released.
Can't help mentioning that first ASIC's in history was developed in the late 70ties.
But I know what you mean, you talk about SHA hashing IC's.
To my knowledge does old electronic component only have a value if they are still used, the few collectible items are complete functional products.
I think you have to go many many years down the road for these to gain value, example as replacement part for museums keeping the good old hashers alive.