U-1644B: Russia

2 1/4" X 2 5/8" (56mm X 66mm)

 

 

(Crown incuse) "T in a circle"

 {Maker unknown}

 

 

Picture courtesy Earnest Griffin

2 1/4" X 2 3/4" (56mm X 69mm)

 

(Crown inkstamp)

 {Tver Porcelain}

 

Picture courtesy Bob Berry

2 1/4" X 2 3/4" (57mm X 70mm)

 

(Crown inkstamp)

 {Maker unknown}

 

 

Picture courtesy Bill Ostrander

2 1/4" X 2 3/4" (57mm X 71mm)

 

(Crown inkstamp)

 {Maker unknown}

 

 

Picture courtesy Bob Berry

U number assignment by Bob Berry May 2017.


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