Ink Tablet with "Three Rarities Hall" Design

Rectangular black ink tablet with undulating edges featuring a carved design; the top and bottom have a wavy outline. The top half depicts a mountain range; the bottom half depicts a tree next to a pavilion with a round object on the side. The background behind the tablet is light gray. The tablet has the words "Three Rarities Hall" inscribed on it and is an artwork by an unknown artist.