1929年菲律宾群岛20比索。PHILIPPINES. Philippine Islands. 20 Pesos, 1929. P-77. Fine. 中央内裂,反面有一紫章于左纸角底下。正面两条蓝线。An internal tear is noticed at center, and a purple stamp is found on the reverse of the note at the bottom left corner. Two blue lines are also noticed on the obverse.