#PHO11 1931 16c Philippine Islands Official Stamp, light olive green, unwatermarked,perf 11 MSRP: Was: Now: $1.35 - $49.00
#PHO14 1931 30c Philippine Islands Official Stamp, gray, unwatermarked, perf 11 MSRP: Was: Now: $2.65 - $145.00
#PHO12 1931 20c Philippine Islands Official Stamp, orange yellow, unwatermarked,perf 11 MSRP: Was: Now: $1.35 - $135.00
#PHO9 1931 10c Philippine Islands Official Stamp, deep blue, unwatermarked, perf 11 MSRP: Was: Now: $1.75 - $65.00