50¢ Light violet, red violet, violet
Subject: Benjamin Franklin
Printing Method: Flat Plate
Perforations: 11
Watermark: no watermark
Scott #: 517
Quantity Issued: 118,103,000
Issued: May 19th, 1917
Used
25¢ - 75¢
No postmark with gum (MH)
$10 - $50
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)
$75 - $175
#517b
Vertical pair with imperf with in-between
Used
$6,000
No postmark with gum (MH)
No sales recorded
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)
No sales recorded
#517c
Perf 10 at top or bottom
Used
$11,000 - $16,000
No postmark with gum (MH)
No sales recorded
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)
No sales recorded
This variety was current for almost six years and is quite common. The use of the Parcel Post service increased tremendously after the close of World War I and the higher values were used in larger quantities than ever before. This caused numerous printings and this stamp is found in a wide range of shades.
#517 was issued with the following plate #'s
Number only
7040-42, 49, 57
13653-56
This stamp was commonly precancelled, an example is shown above.