Watch List notes:

COINS, 錢幣, VIETNAM, 越南, Minh Mang 明命 (1820-41): Gold 1½-Tien, ND, Obv "Minh Man" 明命, Rev the Three Blessings, apparently a mule of Minh Mang obverse and Thieu Tri reverse, 6.39g (cf Schr 295 for reverse type). Some surface marks, about extremely fine, rare.
The Three Blessings are Great Prosperity, Long Life and Many Sons, symbolised by a perfume flask, a perfume burner and a flower vase.

Estimate: US$2,000-2,500