Use "mantelshelf|mantelshelves" in a sentence

1. I might have wondered at the Brusqueness of his manner had I not caught a glimpse of myself in the mirror over the mantelshelf

2. Sepia Delft tiles surrounded the fireplace, their Crudely drawn Biblical scenes in faded cyclamen blending with the pinkish pine, while above them, instead of a mantelshelf, there was an archway high enough to form a balcony with slender balusters and a tapestry-hung wall behind.

3. 1963, Margery Allingham, chapter 3, in The China Governess‎[1]: Sepia Delft tiles surrounded the fireplace, their crudely drawn Biblical scenes in faded cyclamen blending with the pinkish pine, while above them, instead of a mantelshelf, there was an archway high enough to form a balcony with slender balusters and a