Stamps of Japan, 1 base month
1 to 50 of 642
postage
1875, Jan 1 1875 issue unwmk (11 stamps)
| - | 1/2s | gray | — | — | ||
| - | 1s | brn | — | — | ||
| - | 4s | blgrn | — | — | ||
| - | 6s | org | Syllabic number right of "S" in "SEN" | — | — | |
| - | 6s | org | Syllabic number in oval | — | — | |
| - | 10s | ultra | dragons | |||
| - | 12s | rose | wild goose | 100 – 1,000 | 100 – 1,000 | |
| - | 15s | lil | wagtail, p. 9-13 | |||
| - | 20s | rose | imperial crest | |||
| - | 30s | vio | kiri branches | |||
| - | 45s | lake | goshawk |
1883, Jan 1 imperial post 1883 issue (13 stamps)
1899, Jan 1 1899 issue - chrysanthemum emblem (18 stamps)
1922, Jan 1 wmk. zigzag lines p. 13x13.5
| X | 4s | grn | Mt Fuji | |||
| X | 8s | rose | Mt Fuji | |||
| X | 20s | dpbl | Mt Fuji |
1949, Jan 27 4th National Athletic Meet winter issue wmk. curved wavy lines p. 12
| - | 5y | vio | figure skater | |||
| - | 5y | ultra | ski jumper |
1951, Jan 1 Year of the Rabbit 1951 issue unwmk
| X | 2y | lilrose | girl holding rabbit |
1952, Jan 16 New Year 1952 issue p. 13.5
| X | 5y | crimrose | Okina mask |
1953, Jan 1 New Year 1953 issue
| X | 5y | car | Sambaso doll |
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