"Specimen" overprints balance. Four stamps, J1S-D, O10xS-D, O15S-D, and O35xS-D, the J1 has o.g., the balance has no gum or no gum as issued, faults include a closed tear, small thin and a short perf. Scott No. J1S//O35S-D; $500  Estimate $100 - 150. $0 (Image)