REMOVE

1. spray paint, silver and gold …
2. North American; Canadian
3. National Gallery of Canada
4. Scott, Mary

WHAT

1. Paintings (1)
2. spray paint, silver and g … (1)

WHERE

1. Canada: Alberta, Calgary (1)
2. North American; Canadian (1)

WHO

1. National Gallery of Canad … (1)
2. Scott, Mary (1)

WHEN

1. 1988 (1)
2. May 1988 (1)