| EXCH. OFFICE | LABEL # | POSTED | ORIGIN | DESTINATION | OTHER LABEL | COVER # | SOURCE | |
| Boston | 52857 | 12/9/1895 | Boston, MA | Scotland | BO-1 | Author's Collection | ||
| Boston | 171725 | 9/26/10 | Wilton, NH | England | BO-2 | Author's Collection | ||
| Boston | 13348 | 7/19/1899 | Jamaica | England | BO-3 | Author's Collection | ||
| Boston | 84981 | 6/9/05 | Williamsville, MA | Newfoundland | BO-4 | Author's Collection | ||
| Boston | Blank | 1/12/09 | Boston, MA | England | Boston 1549A 31945 | BO-5 | Dutton Collection | |
| Boston | 61738 | 9/11/06 | Boston, MA | France | BO-6 | Dutton Collection | ||
| Boston | 24249 | 8/20/1896 | Boston, MA | Italy | BO-7 | Dutton Collection | ||
| Boston | 14180 | 10/26/1896 | New York | Newfoundland | BO-8 | Dutton Collection | ||
| Boston | 14009 | 1/26/04 | Boston, MA | Germany | BO-9 | Dutton Collection | ||
| Boston | 26682 | 5/2/04 | Winchester, MA | England | BO-10 | Dutton Collection | ||
| Boston | 1467 | 5/1/07 | Boston, MA | Germany | BO-11 | Landau Exhibit (Lincoln) | ||
| Boston | Illegible | 12/9/09 | Cambridge, MA | England | BO-12 | Landau Exhibit (Registry) | ||
| Boston | 20422 | 12/29/06 | Boston, MA | Italy | Boston 1549A 20422 | BO-13 | Author's Collection | |
| Boston | 40970 | 2/8/04 | Boston, MA | Germany | BO-14 | Author's Collection | ||
| Boston | 25833 | 12/9/1892 | Boston, MA | Germany | BO-15 | Dealer Stock | ||
| Boston | 2150 | ? | Boston, MA | Germany | Third Class | BO-16 | Dealer Stock | |
| Boston | 1510 | 5/18/08 | Boston, MA | Germany | BO-17 | Dealer Stock | ||
| Boston | 4259 | ? | Boston, MA | France | BO-18 | Dealer Stock | ||
| Boston | 17489 | ? | Boston, MA | Italy | BO-19 | Dealer Stock | ||
| Boston | 32352 | 11/28/1899 | Boston, MA | England | BO-20 | Dealer Stock | ||
| Boston | 38120 | 11/23/05 | Boston, MA | Germany | BO-21 | Dealer Stock | ||
| Boston | 43465 | 10/21/1893 | Boston, MA | England | BO-22 | Dealer Stock | ||
| Boston | No # | No Date | New York | Riga, Russia | Env. Shipping Label | BO-23 | Frank Braithwaite / ebay | |
| Boston | 33120 | 6/23/1893 | Boston, MA | Paris, France | BO-24 | Edwin Schaeffer Collection | ||
| Boston | 27334 | 5/2/08 | Cambridge, MA | Ireland | BO-25 | Nutmeg Sale 178 Lot 4024 | ||
| Boston | 42608 | 9/14/00 | Boston, MA | Brussels, Belgium | BO-26 | Harmer-Schau 2/20/09 Lot 1052 | ||
| Boston | 9958 | 10/18/1899 | Boston, MA | Germany | BO-27 | Harmer-Schau 2/20/09 Lot 1052 | ||
| Boston | 4004 | 9/21/06 | Boston, MA | Kiel, Germany | BO-28 | Author's Collection | ||
| Boston | 11518 | 10/18/08 | Boston, MA | Germany | BO-29 | Author's Collection | ||
| Boston | 6764 | 4/18/1898 | Boston, MA | England | BO-30 | Author's Collection | ||
| Boston | 10278 | 10/5/06 | Boston, MA | Azores | BO-31 | Kugel Exhibit | ||
| Boston | 45008 | 3/14/08 | Labrador | Jamaica | NY 78919 | BO-32 | Longley Auction 16 Lot 536 | |
| Boston | 12460 | 11/20/00 | Woonsocket, RI | Newfoundland | BO-33 | eBay 6/17/2009 | ||
| Boston | 48719 | 5/13/1895 | Brookline, MA | Germany | BO-34 | eBay 6/26/2009 | ||
| Boston | ?8382 | 1903 | Boston, MA | Germany | BO-35 | Exhibit - Handelman | ||
| Boston | 32248 | 10/8/10 | Boston, MA | France | Boston 1549A 32248 | BO-36 | Author's Collection | |
| Boston | 146295 | 7/19/10 | Boston, MA | Germany | Boston 1549A 958 | BO-37 | Gerald Nylander Collection | |
| Boston | 38265 | 11/3/03 | Boston, MA | Germany | BO-38 | Author's Collection | ||
| Boston | 24009 | 5/4/00 | Boston, MA | England | BO-39 | eBay 8/7/2008 by Bill Weiss | ||
| Boston | 32028 | 8/12/09 | Boston, MA | France | BO-40 | Dealer Stock | ||
| Boston | 17005 | 9/20/10 | Boston, MA | France | Boston 1549A 17005 | BO-41 | Dealer Stock | |
| Boston | 4205? | 1/10/1894 | Boston, MA | France | BO-42 | Dealer Stock | ||
| Boston | 17710 | 10/11/09 | Boston, MA | Belgium | Boston 1549A 17710 | BO-43 | Dealer Stock | |
| Boston | 14593 | 1/26/1899 | Boston, MA | Germany | BO-44 | eBay 3/27/2010 | ||
| Boston | 4778? | 5/10/1897 | Boston, MA | Germany | BO-45 | eBay 4/26/2010 | ||
| Boston | 37595 | 10/31/04 | Boston, MA | Ireland | BO-46 | eBay 6/5/2010 | ||
| Boston | 53511 | 6/12/1896 | Cambridge, MA | Ireland | BO-47 | Dealer Stock | ||
| Boston | No # | 1904 | Boston, MA | Germany | BO-48 | ebay 230497019994 7/15/2010 | ||
| Boston | 53997 | 11/9/00 | Boston, MA | Germany | BO-49 | Dennis Pack Substation Archive | ||
| Boston | No # | 6/5/1897 | Cincinnati, OH | Newfoundland | BO-50 | Frajola Sale #2 9/1989 Lot 537 | ||
| Boston | 17252 | 5/17/1892 | Boston, MA | England | BO-51 | Matt Kewriga # 003224 | ||
| Boston | 211 | 4/1/1892 | Boston, MA | England | BO-52 | Matt Kewriga # 003223 | ||
| Boston | 2995 | 12/5/???? | Boston, MA | Germany | 3rd Class | BO-53 | eBay #370520729516 6/27/11 | |
| Boston | 4906 | 1/9/1896 | Boston, MA | Italy | BO-54 | Ainsworth Exhibit-Frajola Site | ||
| Boston | 68029 | 12/?/1898 | Boston, MA | Germany | BO-55 | Frajola Website Trans Miss Exh | ||
| Boston | 37210 | 11/26/09 | Boston, MA | Saigon, Indo-China | Boston 1549A 1737 | BO-56 | ebay #1507083624 12/4/2011 | |
| Boston | 13112 | 1/8/10 | London, England | Italy | London 764 | BO-57 | Author's Collection | |
| Boston | 25335 | 12/4/1893 | Boston, MA | Germany | BO-58 | ebay #120912326204 5/17/12 | ||
| Boston | 19112 | 11/17/1893 | Boston, MA | Germany | BO-59 | ebay # 120921222319 6/2/12 | ||
| Boston | 8199 | 6/13/02 | Boston, MA | London, England | BO-60 | Dealer Stock (Ken Pitt) | ||
| Boston | 19020 | 5/1/00 | Boston, MA | Germany | BO-61 | ebay # 390668562557 CoverCra | ||
| Boston | 3728 | 4/10/1894 | Boston, MA | Switzerland | BO-62 | Ludeman Archives(AC) | ||
| Boston | 85131 | 10/7/03 | Boston, MA | Australia | BO-63 | Ludeman Collection | ||
| Boston | 30709 | 2/9/00 | Boston, MA | Germany | BO-64 | Ludeman Archives(AC) |