1885-A年法属印度支那20分试作样币。巴黎造币厂。非常罕见。由铜镍合金打製的合背试作样币。此枚钱币展示出无愧于巴黎铸币厰出品的深刻铸打,细节流畅清晰,轻微包浆,非常吸引。KM-E9; Lec-199. VERY RARE. Struck in copper-nickel. Double reverse Essai. Sharply struck as would be expected being a Paris mint product with clear crisp details. Lightly toned and very attractive.NGC MS-61.