Robert Griffing, Only a Matter of Time, oil, 50 x 42. Estimate: $80,000-$120,000. ← Previous Next → Robert Griffing, Only a Matter of Time, oil, 50 x 42. Estimate: $80,000-$120,000. Robert Griffing, Only a Matter of Time, oil, 50 x 42. Estimate: $80,000-$120,000.