Lot 1259
1259
unused $1 blue error of colour in a horizontal strip of five with $2, unused. Rare, it is thought that only forty strips exist. S.C. Chao handstamp on the reverse. Photo
1946 Train Issue
unused $1 blue error of colour in a horizontal strip of five with $2, unused. Rare, it is thought that only forty strips exist. S.C. Chao handstamp on the reverse. Photo

Details
unused $1 blue error of colour in a horizontal strip of five with $2, unused. Rare, it is thought that only forty strips exist. S.C. Chao handstamp on the reverse. Photo
Yang EC326a, US$2250; S.G. EC280, JPS SW31Aa