The item is marked as a pair of rhinoceros horn bowls made in the Qianlong era. This collection is well preserved, with a first-class appearance and an overall antique and elegant design. The details of the casting are also very exquisite. Its casting process is very complex. This collection condenses the entire casting history of Chinese culture, is very precious, and is also loved by collectors and major auction houses. Rhinoceros horn is formed from epidermal keratin and has no bony heart inside. The main components of rhinoceros horn are keratin, cholesterol, calcium phosphate, calcium carbonate, etc. It also contains other proteins, peptides, free amino acids, guanidine derivatives, steroids, etc.

The angle is conical, gradually tapering upwards from the bottom, slightly curved, of varying lengths, with larger ones reaching up to 30 centimeters. The surface is dark black, and the lower part is gradually lighter in color, appearing grayish brown. There are horse tooth shaped serrations around the bottom, called "horse tooth edges", which are about 3 centimeters high and have uneven surfaces. The middle part of the "horse tooth edge" has vertical stripes and a hard straight thorn that has been removed, commonly known as "bristles", sometimes with cracks; The middle part gradually becomes smooth upwards, and the corner tip is dull and shiny, with visible mane shaped dots. There is a longitudinal concave groove in front of the corner, which is about 9-15 centimeters long and about 3 centimeters deep, commonly known as the "gutter". There is a protruding high hill on the opposite chassis below it, which is about 6-7 centimeters long and 2-4 centimeters high, commonly known as the "ground hill". The chassis is relatively large, round in shape, narrow at the front and wide at the back, shaped like a turtle's back. It is 13-20 centimeters long and 11-14 centimeters wide, gray black or black brown, gradually becoming lighter outward, appearing gray brown or gray yellow, with a concave bottom of 3-6 centimeters, commonly known as "wozi" and covered with mane shaped dots, commonly known as "sand bottom". The keratin is hard, but it splits longitudinally and is smooth without twisted threads. Pound piece is grayish white, with sesame Fried Dough Twists points or short thread spinning. The air is slightly fragrant but not fishy, and the taste is slightly salty. It is best to have a shiny black color, complete without cracks, a sandy background with a gray black color, large mane eyes, and a refreshing fragrance. The chassis color is gray black, and the features are incomplete or not obvious, resulting in lower quality. In recent years, due to China's increased emphasis on the cultural industry, the value of artworks has skyrocketed, and the market popularity and transaction rate of rare artworks are very good. Investing in art has also become the first choice for many investors. So from both a collection perspective and an economic value perspective, this collection is definitely worth buying