Bank Markazi Iran, specimen 5000 Rials with unlisted provisional obliteration overprint, ND (1979), serial number 15/000000, red specimen overprint and De La Rue ovals and two cancellation holes, in PCGS holder 58 PPQ, choice about uncirculated, an exceptionally rare chance to acquire a seldom seen unused obliteration overprint
TBB B249 for similar, Pick 116 for similar £5000-7000