1901 - 1945 SPECIAL DELIVERY
LAMBERT SECURITY ISSE OF 1925
The first “non-regular” Special Delivery issue prepared by the U.S. Bureau of Engraving and Printing (B.E.P.).
Printed by flatbed press method in sheets of 100, divided into panes of 50 subjects.

First Figure: Quantity delivered to the Lambert Sales Co.
Second Figure: Quantity delivered to the Manila Post Office and subsequently purchased by Lambert.

E6a: Violet Blue
2,000 / 50

E6aS: Handstamped “SPECIMEN” in Red Capitals
Measuring 13 x 3 mm

One pane of 50 Subjects Exist
IMPERFORATE ISSUE OF 1931
Unwatermarked
First Printing
"F" Prefixed Plate 113811

E6: Dull Violet
Second Printing
Using Plate Number of 1925 Lambert Security Issue

E6b: Dull Violet