U-2421: Canada

3 3/4" X 3 1/4" (92mm X 80mm)

 

No markings

 

Picture courtesy Bob Berry

3 3/4" X 3 1/4" (92mm X 80mm)

 

No markings

 

Picture courtesy Bob Berry

3 3/4" X 3 1/4" (92mm X 80mm)

 

No markings

 

Picture courtesy Bob Berry

3 3/4" X 3 1/4" (92mm X 80mm)

 

No markings

.

.

 

Picture courtesy Bob Berry

3 3/4" X 3 1/4" (92mm X 80mm)

 

(skirt ink stamp)

{Canadian Porcelain}

 

Picture courtesy Bob Scafe

3 3/4" X 3 1/4" (92mm X 80mm)

 

No markings

.

.

 

Picture courtesy Bob Berry

3 3/4" X 3 1/4" (92mm X 80mm)

 

(skirt incuse)

{Canadian Porcelain}

 

Picture courtesy Barrett Nicpon

3 3/4" X 3 1/4" (92mm X 80mm)

 

(skirt ink Stamp) CP CO

                          HAMILTON

                              CANADA

{Canadian Porcelain}

 

Picture courtesy Barrett Nicpon

3 3/4" X 3 1/4" (92mm X 80mm)

 

(skirt ink Stamp) CP CO

                          HAMILTON

                              CANADA

{Canadian Porcelain}

 

Picture courtesy Barrett Nicpon

U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.


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