Found no Viktor born 1 May in 1867,in Kristinestad city or in the country's parish.
But found some others with a similar name. Carl Viktor (Eriksson=patronymic) Antfolk b. 18.11.1867 Kristinestad parish. In his notes, he's been gone michigan. And he died 18/01/1897 (do not know if it is in Finland or in the United States)
He had a brother Johan who emigrade 1892 to the United States and a sister Maria Wilhelmina who also emigrade to the United States in 1900
Kristiinankaupungin maaseurakunta rippikirja, 1893-1902, Påskmarkby N:o 5 Antfolk