#PHEO1 1931 20c Philippine Islands Special Delivery Official, dull violet, unwatermarked, perf 11 MSRP: Was: Now: $5.75 - $239.00
#PHE5 1919 20c Philippine Islands Special Delivery, ultramarine, unwatermarked, perf 11 MSRP: Was: Now: $2.65 - $189.00
#PHE10 1945 20c Philippine Islands Special Delivery, blue violet, unwatermarked, perf 11 MSRP: Was: Now: $2.85 - $39.00
#PHE7 1939 20c Philippine Islands Special Delivery, blue violet, unwatermarked, perf 11 MSRP: Was: Now: $2.35 - $4.00