9. US Precancels
Scott# 397 “BALBOA” PAN PACIFIC EXPO WITH CHICAGO ILL PRECANCEL
9. US Precancels
Scott# 397 “BALBOA” PAN PACIFIC EXPO WITH L900 SAN FRAN PRECANCEL
9. US Precancels
Scott# 397 “BALBOA” PAN PACIFIC EXPO WITH ST LOUIS MO PRECANCEL
9. US Precancels
Scott# 399 PANAMA PACIFIC-GOLDEN GATE, SAN FRANCISCO CA PRECANCEL
9. US Precancels
Scott# 400 “PANAMA PACIFIC” MINT, DG WITH CREASE OFFERED AS A FILLER
9. US Precancels
9. US Precancels
Scott# 400 “PANAMA PACIFIC” TACOMA, WA CDS CANCEL, NICELY CENTERED
9. US Precancels
9. US Precancels
Scott# 400 “PANAMA PACIFIC” USED WITH PHILADELPHIA “RD” CANCEL
9. US Precancels
Scott# 400 “PANAMA PACIFIC” USED, LITE CANCEL, NICELY CENTERED
9. US Precancels
Scott# 400 “PANAMA PACIFIC” USED, MARQUETTE MICH PARCEL CANCEL
9. US Precancels
Scott# 400A “PANAMA CANAL” PANAMA PACIFIC, SAN FRAN, CA PRECANCEL