Thanks for those replies. I have made capital gains on other stocks this FY and want to offset those by crystallizing prior losses.
And in answer to my own question, for anyone who is interested, I think the facility offered by delisted.com is legit. They are mentioned in an SMH article here. They give a $1 consideration and charge $150 for the first parcel and $70 for additional parcels.
CSD Price at posting:
12.5¢ Sentiment: Sell Disclosure: Held