Wayne Thomas, general secretary of the National Union of Mineworkers (NUM) in Wales, did not travel to London, says he still feels anger towards Baroness Thatcher, but has said that a debate on her policies should wait until after she has been laid to rest.
As a 22-year-old miner based in the Swansea Valley during 1984, his experiences of a year on strike have left an indelible mark.
Mr Thomas believes that the only fitting epitaph for Baroness Thatcher's grave would be "May God Forgive Her".
– Wayne Thomas, general secretary of the National Union of Mineworkers in Wales
My view on the matter is quite clear - I do think that we should show respect for the family of Mrs Thatcher. They have lost a loved one.
There are grieving family members and we should respect that.
I think it has reopened the debate on the rights and wrongs of what she did. But that is a debate for after she has been buried.
I do think that people are trying to airbrush away how horrendous her policies actually were.