Photo used as part of address 4th January 1900 Register No. 382	Photo used as part of address 11th January 1900 Register No. 385	Hidden inside newspaper 11th January 1900	Illegal stamp 18th January 1900
Illegal stamp 23rd January 1900
Challenging address 29th January 1900	Illegal stamp 31st January 1900	Illegally reused "Double" card 17th February 1900	Address constructed in part from old postmarks 20th February 1900
Ambiguous addressee 23rd February 1900 Register No. 396	Hidden inside newspaper 1st March 1900	Curious item 2nd April 1900	Hidden inside newspaper 28th May 1900
Autograph request General French 3rd June 1900	Autograph request General Lyttelton 1st July 1900
Postmark request 14th July 1900	Mirror writing 18th July 1900	Mirror writing 18th July 1900	Bottle Mail 21st July 1900
Autograph request (WRB-1) Lady Sara Wilson 24th July 1900	Autograph request (WRB-1) General Brabant 28th July 1900	Bottle Mail August 1900	Autograph request (WRB-1) General Macdonald 8th August 1900
Autograph request (WRB-1) General Sir Alfred Gaselee 13th August 1900	Autograph request (WRB-1) Lord Stratchcona 24th August 1900	Challenging address (WRB-1) Lime Tree at Pitchford 10th September 1900
Autograph request (WRB-1) Julian Ralph 15th September 1900	Autograph request Major-General Baden-Powell 21st September 1900	"Bottle" Mail 27th September 1900
Information request HMS Devastation 4th October 1900	Autograph request (WRB-1) Colonel Watson 13th November 1900	Autograph request (WRB-1) Colonel Francis Howard 15th November 1900	Autograph request (WRB-1) Sir Chihchen Lo-Feng-Luh 23rd November 1900
Challenging address December 1900	Autograph request (WRB-1) John Burns 3rd December 1900	Autograph request (WRB-1) Frederick Burnham 15th December 1900	Challenging address (WRB-1) Taku Forts 30th December 1900

1899						1901