I have several $1 and $5 silver certificates dated 1923 and 1935. How can I determine the value of them?

Hi I am trying to find information on Margaret theresa Watson need Ryan born in Ireland. Her parents were Catherine need Piggott and Timothy Ryan of Limerick and Tipperary. Margaret Ryan married James Watson in Australia in Sandhurst Queensland 9th November 1859 she was aged 21 yrs ( or so...

Are tax lien certificates purchased for the purpose of 1. gaining a good return on investment or 2. securing property with little money down as good as it's kicked up to be? What are the biggest drawdowns to tax lien certificates? Thank you

My father was born in Marseilles, France in 1911. He came to America in the 1930's. He received word his father, mother, sister and brother were killed During a bombing in World War II. They lived in Alsace Lorraine. My father Tried for two years to find any information on their deaths, but...