The shaft of the first example is cast with a sinuous phoenix, the terminal in the form of a dragon's head, the reverse bearing a round stud; the shaft of the second example is decorated with a long-tailed bird, the terminal a bird's head.
Note:
For a similar 'dragon' example, see BUNKER, Emma C. Nomadic Art of the Eastern Eurasian Steppes: The Eugene V Thaw and Other Notable New York Collection. New Haven: Yale University Press, 2002, no. 132, p. 155.

For a similar Western Han example, see WHITE, Julia M. and BUNKER, Emma C. Adornment for Eternity, Status and Rank in Chinese Ornament. Denver: Denver Art Museum and The Woods Publishing Company, 1994, p 117, no. 37. 

Also see Sotheby's New York, March 28, 2023, CHINA/5000 YEARS, lot 890.

類似帶鉤參見Emma C. Bunker著《Nomadic Art of the Eastern Eurasian Steppes: The Eugene V Thaw and Other Notable New York Collection》，紐黑文耶魯大學出版社2002年出版，第155頁，132號。以及白珠麗及Emma C. Bunker合著丹佛博物館《萬世風華：中國古代飾物》，第117頁，編號37，西漢鎏金翼龍紋青銅帶鉤。類似拍品參見2023年3月28日蘇富比紐約CHINA/5000 YEARS專場890號。