I don’t have this stamp just yet 😁
Scott #: 350
4¢ orange brown
Subject: George Washington
Printing Method: Flat Plate
Perforations: Imperforate
Watermark: double line USPS (see below)
Quantity Issued: 283,000
Issued: August 15th, 1910
Value
Used: $200 - $250
No postmark (MH): $150 - $200
Full perfect gum (MNH): $350 - $500