Ribbon: Light blue.
Instituted: 28 April 1815.
Discontinued: 1866 when hannover was annexed by Prussia, continued as a private dynastic award of the House of hannover.
Awarded: .
| Grand Cross: Collar |
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| Grand Cross: Badge |
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| Grand Cross: Star |
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| Commander First Class: Badge |
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| Commander First Class: Star |
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| Commander Second Class |
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| Knight |
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| Cross of Merit |
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