Instruments I
The modern horn
The modern horn with its soft, warm tones is represented by as many as four instruments in many modern symphony orchestras. It is a development of the hunting horn introduced as an orchestral instrument at the beginning of the 18th century. In those days the horn was only able to produce a maximum of 12 notes. It was not until the invention of the valve system in the 19th century that the horn was revolutionised - now the horn player could change notes by moving his fingers. The musician could also control the intonation and fullness of tone by muting his instrument, i.e. by inserting his hand varying depths into the bell of the horn.
| Series value: | 66 LUF. 3 LUF, the horn; 12 LUF, the saxophone; 21 LUF, the violin; 30 LUF, the concert grand piano. |
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| Printing process: | Two-tone photogravure by Hélio-Courvoisier S.A., La Chaux-de-Fonds (Switzerland). |
| Format: | 24 x 29.10 mm, 20 stamps per sheet |

