1941 Manila to California Via Clipper & Special Delivery

1941 OCTOBER 4: From the Lambert Sales Co. to its subsidiary The Home Embroidery Co.
franked with 20c, 60c and 1p Moro Vinta Airs for the 2p Double Clipper Air Rate
pus 20c Special Delivery as endorsed (partially covered by the stamp).

VERY UNCOMMON COMBINATION ON OUTBOUND MAIL