Stamps of South Africa, May of any year
1 to 50 of 317
postage
1935, May 1 Silver Jubilee issue wmk. mult springboks head (no perf info) (8 stamps)
| X | 1/2p | King George V & springboks | — | — | ||
| - | 1/2p | grn & blk | — | — | ||
| X | 1p | King George V & springboks | — | — | ||
| - | 1p | red & blk | — | — | ||
| - | 3p | King George V & springboks | — | — | ||
| - | 3p | bl | — | — | ||
| - | 6p | King George V & springboks | — | — | ||
| - | 6p | org & grn | — | — |
1937, May 12 King George VI (10 stamps)
| X | 1/2p | grn & blk | King George VI | — | — | |
| - | 1/2p | grn & blk | King George VI | — | — | |
| X | 1p | car & blk | King George VI | — | — | |
| - | 1p | carbrn & blk | King George VI | — | — | |
| X | 1 1/2p | prusgrn & org | King George VI | — | — | |
| - | 1 1/2p | blgrn & org | King George VI | — | — | |
| X | 3p | bl & ultra | King George VI | — | — | |
| - | 3p | bl | King George VI | — | — | |
| X | 1sh | prusbl & orgbrn | King George VI | — | — | |
| - | 1sh | dkbl & redbrn | King George VI | — | — |
1949, May 2 photo print
| X | 1 1/2p | redbrn | ship Wanderer in Port Natal | — | — |
1959, May 1 50th Anniversary of South African Academy of Science and Art, Pretoria issue
| X | 3p | brtbl & dkbl | arms of South African Academy of Science and Art | .20 | .20 |
1960, May 2 wmk. coat of arms
| X | 1sh3p | dkbl | map&locomotives | — | — |
1960, May 2 union 50th issue
| - | 4p | .20 | .20 | |||
| X | 6p | multi | Coat of arms of the four provinces of the Cape of Good Hope | .20 | ||
| X | 1sh | pushing wheel | .20 | |||
| - | 1sh6p | — | — |
1960, May 31
| X | 3p | prime ministers | .20 | .20 |
1961, May 31 1961b issue (13 stamps)
| X | 1/2c | pigmy kingfisher | ||||
| X | 1c | Kaffir boom flower | — | — | ||
| X | 1 1/2c | Afrikander bull | .20 | .20 | ||
| X | 2c | bl & yel | pouring gold | .20 | ||
| X | 2 1/2c | vio & grn | Groot Constantia | .20 | .20 | |
| X | 3c | scar & blblk | crimson-breasted shrike | .20 | ||
| X | 5c | baobab | .20 | |||
| X | 7 1/2c | corn | .20 | |||
| X | 10c | castle entrance,Cape Town | .20 | |||
| X | 12 1/2c | Protea flower | .20 | |||
| X | 20c | secretary bird | ||||
| X | 50c | Cape Town harbor | — | — | ||
| X | 1r | bird of paradise flower | — | — |
1964, May 8 75th Anniversary of South African Rugby Board issue wmk. RSA in triangle
| X | 2 1/2c | dkgrn & yelbrn | springbok on Rugby ball | .20 | .20 | |
| X | 12 1/2c | yelgrn & blk | rugby player |
1965, May 17 ITU 100th issue
| X | 2 1/2c | bl & redorg | ITU emblem | .20 | .20 | |
| X | 12 1/2c | ITU emblem |
1966, May 31 Republic 5th issue
| X | 1c | diamond | — | — | ||
| X | 2 1/2c | flying bird | — | — | ||
| X | 3c | corn | — | — | ||
| X | 7c | Table Mountain | — | — |
1971, May 22 Antarctic Treaty 10th issue wmk. RSA in triangle tete beche
| - | 12 1/2c |
1971, May 22 INTERSTEX issue
| - | 5c | Strijdom Tower | .20 | .20 |
1971, May 31 RSA 10th issue
| - | 2c | British landing | .20 | .20 |
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