Stamps of Switzerland, red ovpt color
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postage
1921 1921 issue ovpted granite paper wmk. Swiss cross p. 11.5
| - | 5c on 2c | bis | William Tell's son, v. bowstring in front 1 | |||
| X | 5c on 7 1/2c | gray | William Tell's son, v. bowstring in front 2 | |||
| X | 10c on 13(c) | olgrn | William Tell |
airmail
1935 1935 air provisional issue ovpted unwmk
| - | 40c on 90(c) | front view of airplane |
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