Johannesburg Numeral 21 Postmark
21j - (18 May 1912 - 19 December 1931) rated Common
21k - rated Rare
21o - (25 September 1907 - 14 March 1980) rated Common
Left to right: 21j, 21k, 21o
21j
Johannesburg postmark 21j. Dated 18 May 1912. Rated common. Seen in the collection of Morgan Farrell
Johannesburg postmark 21j. Dated 9 March 1930. Rated common. Seen in Phoenix auction no 2167 lot no 3488
21o
Johannesburg postmark 21o. Dated 17 February 1947. Rated common
Putzel rating
21j - 232 rated 16 on stamp and 80 on cover
21j - 232 rated 16 on stamp and 80 on cover
21j - 233 rated 16 on stamp and 80 on cover
21k - 234 rated 10 on stamp and 50 on cover
21o - 232x (Update) rated 20 on stamp and 100 on cover
21o - 236 rated 2 on stamp and 10 on cover


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