A new engraver, at least to me, he was located in Los Angeles California. He arrived in the US in 1898 and died in 1957.
First I would like to thank the anonymous owner of the California made drilling as well as the super pictures by Rick Brian.
1920 United States Federal Census about Alphonse Pochon ( Engraver)
Name: Alphonse Pochon
Age: 48
Birth Year: abt 1872
Birthplace: Switzerland
Home in 1920: Los Angeles Assembly District 66, Los Angeles, California
Race: White
Gender: Male
Marital Status: Married
Spouse's Name: Herminia Pochon
Father's Birthplace: Switzerland
Mother's Birthplace: Switzerland
Home Owned: Own
Able to Read: Yes
Able to Write: Yes
Household Members:
Name Age
Alphonse Pochon 48
Herminia Pochon 47
Glayds Pochon 17