2010
Gallerie Bartoux
--------------------------
2009
Gallery Bonnard - /March / The Netherlands
Patterson Gallery /April / LONDON
Chelsea Flower show - May- LONDON
--------------------------
2008
- Patterson Gallery / MAY 7 / 29 / 2008 / LONDON
- Chelsea Flower show - May 19 / 24 / 2008 LONDON
Pieter and W. Thornton at the Shelsea Flower Show
- open Art Fair Utrecht - The Netherlands / Gallery Bonnard
- New-york - Salmagundi Art Club / 14 -19 oktober / 2008
Pieter at the exhibition; Salmagundi Art Club in New- York / USA
-----------------------------------
2007
- Patterson Gallery / MAY / LONDON
2006
- Patterson Gallery / MAY / LONDON
