Gainsborough's Blue Boy and Lawrence's Pinkie are the showpieces of the Huntington Gallery.
Gainsborough's Blue Boy and Lawrence's Pinkie were hidden in the storeroom of the gallery. 
mnli hypothesis: Gainsborough's Blue Boy and Lawrence's Pinkie were hidden in the storeroom of the gallery.  premise: Gainsborough's Blue Boy and Lawrence's Pinkie are the showpieces of the Huntington Gallery.