Lot 2896 P
Liberia, 1954 UN Technical Assistance Issue, Trial Color Presentation Sets, imperf on stamp paper, 32 different in blocks of four, 12 of each denomination in different color combinations mounted on three faux leather boards with interleaving (9 boards total); one set unmounted from board and some light toning/staining affecting some blocks, a rare and possibly unique trial color set.Scott No. C79-C81TC Estimate $500 - 750.