Officials: 1950-52 Opt 'G' on KGVI issues in blocks of four, 1c to 5c original issues, 10c to $1, plus 7c Air SG between O178-90 and 10c Special Delivery - SG OS21, odd lower value lightly mounted, otherwise fresh unmounted (48). Scarce in blocks
Lot 928
Estimate: $125
Officials: 1950-51 Opt 'G' on 10c and $1, SG O191-92, vertical pairs