MALI (1973) Handicapped people*. Trial color proofs in strip of 5 with multicolor. Scott No 203, Yvert No 205.
AVAILABLE AT $80
UPPER VOLTA (1976) Blind man & woman*. Trial color proofs in full sheet of 25. Fight against onchocerciasis. Scott No 395, Yvert No 383.
AVAILABLE AT $400
MONACO (1981) Paraplegic in wheelchair*. Trial color proofs in strip of 5. Scott No 1281, Yvert No 1276.
AVAILABLE AT $90