I am compiling a list (with images) of all honours received by Wallace for his work. The list is incomplete at present, but I have nevertheless copied what I have so far below.
Medals:
1868 (30 November): Royal Medal of the Royal Society. (He was nominated by Huxley)
1870: Gold Medal, Socieété de Géographie.
1890 (1 December): Darwin Medal of the Royal Society.
1892 (23 May): Founder's Medal of the Royal Geographical Society.
1892 (24 May): Linnean Gold Medal of the Linnean Society.
1908 (1 July): gold Darwin-Wallace Medal of the Linnean Society of London.
1908 (December): Copley Medal of the Royal Society. The highest award of the Royal Society.
1908: Order of Merit.
Other Honours:
1879 (28 July): Freedom of the City of London.

1882 (29 June): LL.D. (Doctor of Laws) from Dublin University.

ARW in his LL.D. robes
1889 (26 November): D.C.L. (Doctor of Civil Law) from Oxford University.
1893 (June): Elected Fellow of the Royal Society. He had at first refused fellowship, but Thistleton-Dyer and Huxley eventually persuaded him to accept.
Incertae Sedis:
1882 (26 April): Pall Bearer at Darwin's funeral at Westminster Abbey.