U-1779: Portugal

4 3/8" X 4 1/2" (110mm X 114mm)

 

No markings

 

Picture courtesy Darryl Wagner

4 3/8" X 4 1/2" (110mm X 114mm)

 

(base view)

 

Picture courtesy Darryl Wagner

U number assignment by Bob Berry March 2022.


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