1978年博茨瓦纳150普拉精製金币。 精製币仅发行219枚。野生动物保护系列,棕色鬣狗。光泽亮丽,镜面底板,霜面图文。 BOTSWANA. 150 Pula, 1978. NGC PROOF-69 Ultra Cameo. Fr-3; KM-13. Mintage: 219. Wildlife Conservation Series issue featuring the Brown Hyena. A brilliant and attractive example with hard mirrored fields and frosted cameo devices.