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25 Envelopes
(all courtesy of Robert J. Clark)

 


Boston Naval Shipyard Sesquicential

 


 

 


 

 

 

 

 


 

 


 

 


 

 


 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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