Petri either by telephone at:

1-401-248-3650 (USA-cell)

1-401-295-0549 (USA-studio)
Or email him at if you wish to inquire about his jewelry.

You can also visit Petri in his studio at The Mill at Shady Lea, Studio #114 in North Kingstown, Rhode Island.
Click here to look at The Mill at Shady Lea website for directions.