Instituted: 22 July 1937.
Awarded: For outstanding service to the Principality of Liechtenstein.
Grades: 5 (Grand Star, Grand Cross, Commander with Star, Commander and Knight) plus Gold and Silver Decorations of Merit. The Grand Cross with Diamonds class was added in 1960
| Grand Star: Badge |
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| Grand Star: Star |
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| Grand Cross with Diamonds: Badge |
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| Grand Cross with Diamonds: Star |
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| Grand Cross: Badge |
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| Grand Cross: Star |
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| Commander with Star: Badge |
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| Commander with Star: Star |
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| Commander |
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| Knight |
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| Gold Decoration of Merit |
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| Silver Decoration of Merit |
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