The below information was copied (briefly edited) from a post by
         Bill Cornell --- https://thetraderspeaks.com/

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The backs of the cards list 50 "countries" but only 36 cards exist.   

PSA Registry has 2 sets complete at 36 cards "countries" match in both sets.  
While not many cards from this set have been graded by PSA and SGC, they
have both graded at least one from each of these 36 "countries" and no others. 

Fifteen cards listed on the N238 backs do not exist:  
Annam, Baden, Cambodge [sic], Chili, Germany, Hesse Darmstadt,
Japan, Jerusalem (see note below), Luxembourg, Mecklenburg Schwerin, 
Oldenburg, Saxe Weimar, Switzerland, United States, Wurtemburg 

Correct complete (36 cards) checklist:  
Sweden, China, Turkey, Italy, England, France, Spain, Russia, Austria, Greece 
Bavaria, Roumania [sic], Portugal, Belgium, Persia, Norway, Denmark, India, 
Holland, Brazil, Mexico, Venezuela, Siam, Peru, Servia [sic], Ecuador, 
Colombia [sic], Sandwich Isles, Canada, Honduras, Guatemala, Bolivia, 
Bulgaria, Montenegro, Holy Land, Royal Saxony 

The backs cite a “Jerusalem” card which does not exist.  
There is a known-but-unchecklisted “Holy Land” card which sometimes gets 
cited as its replacement, although I don’t think this is correct since 
Jerusalem still belonged to the Ottoman Empire in the late 19th century.