Lot
2863 
Liberia, 1958 European Tour Issue, Flag Color Omitted Errors, imperforate, stock of six values (no C116) showing a single color omitted from flags, in top sheet margin blocks of 8; 13 different errors in quantities 1-39, 215 blocks in all, o.g., never hinged. Scott No. 368-370, C114-C115, C117 vars. Estimate $1,000 - 1,500.