Lot 3288 P
Canal Zone, 1941-47 "Official Panama Canal" overprint proofs, types 1 & 2, used on most Official issue (except O8), type 1 with block of 8 and vertical pair and a type 2 single, on soft thin bond paper, also includes a block of 24, block of 4, vertical pair and single proof of the 1951 "Cristobal, Canal Zone" precancel on hard bond, Very Fine.Scott No. O1P, O3P Estimate $200 - 300.
Realized: $140