Late 1800s-early 1900's real photo postcards made from more candid images of real people. Not models & not in a studio. The top card is French, the others are American.
St Eloi or Saint Eligus was the patron saint of goldsmiths, blacksmiths, cattle & horses. There is an annual mass around December 9th at Notre Dame de Paris, for members of the Confraternity of St. Eloi.