U-664: USA

4 3/4" X 4" (121mm X 101mm)

 

(ear incuse) "PP in a rectangle"

{Porcelain Products}

 

Picture courtesy Fred Collier

4 3/4" X 4" (121mm X 101mm)

 

(ear incuse) "PP in a rectangle"

{Porcelain Products}

 

Picture courtesy Fred Collier

4 3/4" X 4" (121mm X 101mm)

 

(ear incuse) "PP in a rectangle"

{Porcelain Products}

 

Picture courtesy Fred Collier

  

U number assignment by Jack Tod

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