1900 BRIEFKOPF West Superior Wisconsin JOHN H H HILL Island Falls Mines Co BERGBAU CHF 138,78CHF 198,25
1918 BERGBAU Briefpapier RATON NEW MEXICO Superior Coal Co FRANCIS BOYLE KAVANAUGH CHF 50,16CHF 71,66
1917 FRANZISKUS Bergbau Briefkopf SUPERIOR COAL COMPANY Raton New Mexico KAVANAUGH CHF 110,91CHF 158,44
1899 JL Mitchell Kohle & Cola EINNAHMEN Briefmarke RNX7 BERGBAU Philadelphia Pennsylvania CHF 27,87CHF 39,81
1889 St. Elmo Colorado GEISTERSTADT PAT MURPHY GOLDBERGBAU T Everts Edwin Sperry CHF 138,78CHF 198,25
1910 Letterhea GRÜNER KANON KOHLE Denver Colorado VAN MATER William Mathews BERGBAU CHF 38,46CHF 54,94
1918 BILLHEAD Reading Pennsylvania N. H. GARMAN & BRO. KOHLE Händler Bergbau Bergmann CHF 27,31CHF 39,01
1913 Seiten 3: ASSETS of J L MITCHELL Pennsylvania Coal Mining MINER Philadelphia CHF 83,04CHF 118,63
1918 SHELBY GISH Rollinsville Colorado PERIGO GOLD COMPANY Bergbau D.W.R. Kinney CHF 166,64CHF 238,06
1900 HOMESTAKE GOLDBERGBAU von ONTARIO St PauL Minnesota WESTERFIELD PRUDEN KELLY CHF 83,04CHF 118,63