Johannesburg Numeral 97 Postmark
97f - (29 July 1937 - 21 September 1945) rated Common97j - (9 June 1959 - 19 July 1962) rated Common
97k (i) - (16 August 1978) rated Common
97k (ii) - date reversed rated Common. Also known in red ink
Left to Right: 97f, 97j, 97k (i)
97f
97j
Putzel rating
97f - 454 rated 10 on stamp and 50 on cover
97j - 455 rated 10 on stamp and 50 on cover
97j - 456 rated 4 on stamp and 20 on cover
97k (i) - 457 rated 2 on stamp and 10 on cover
97k (ii) - 457a (Update) rated 2 on stamp and 10 on cover
97k (ii) - 457b (Update) rated 2 on stamp and 10 on cover



