Value Of My Collection ?

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Yeah. I agree ebay seems to be the path I am going to be heading down ( I have no ungraded coins) There are also coin shows periodically in the area, so I may actually try to see if this is also a viable strategy, since I have around 100 graded coins to let go.
Detailed coins present a problem, as far as pricing them. My 'best' detailed coin is an NGC Morgan 1886-O UNC improperly cleaned, but it looks very good to me. so who knows if it is a $200 coin or a $700 coin......ah well

The majority of the more valuable coins in my collection are ancients.
But not all.

For what I consider to be the top 10 percentile of valuable coins, I refer to CoinArchives for prices realized at public auction.
It is possible to arrive at good esitimate of what each one of those 10 percentile coin may be currently valued at,
I first grade those coins in my collection, then review the CoinAchives prices realized.
I remove the lowest value and highest value prices paid for the equivalent coin in my collection after grading, and average the rest of those prices realized, to determine a current value of what my 10 percentile coin may be.

CoinArchives provide enough recent prices realized information from public auctions around the World to make this sort of valuation exercise realistic..
That way, I don't have to consider past or recent inflation rates.

I also review Vcoins ancients, where at any one time, over 100,000 ancient coins around the World are available for sale. Sometimes, a near equivalent to a top 10 percentile coin in my collection may be found.

I rarely do this sort of valuation exercise, partly because it is an exercise in futility, and not worth the bother.
Philosophically, I feel more like a museum curator, where the value of the collection is almost irrelevant.