Collection of three British Jack Johnson postcards each graded by PSA including one unique example the only one to have been graded by PSA. Collection includes the following: 1) 1908 "Health & Strength" #56358. Unique example graded AUTHENTIC by PSA the only example of this variation that they have graded. 2) 1908 "Health & Strength" #70753 more common variation graded GOOD 2 (MK) by PSA. 3) 1940s - 70s "Boxing News" #7 graded PSA EX 5. Attractive more modern postcard. Similar photo with identical facsimile signature appears in a lot of Johnson memorabilia elsewhere in this auction. Three cards total including one which represents the only example to have been graded by PSA.