Securitas altera.

44B191 · crown (symbol of sovereignty)

45K1441 · portcullis

47D8(CHAIN) · tools, aids, implements ~ crafts and industries: chain

44B1 · ruler, sovereign

45K1 · fortifications, military engineering

54B12 · Opportunity, Opportuneness, Seasonableness

54E4 · Defence

56D3 · Confidence, Security, Tranquillity; 'Confidenza', 'Sicurezza e Tranquillità', 'Sicurtà', 'Sicurtà o Sicurezza', 'Tranquillità' (Ripa)

86(SECURITAS ALTERA) · proverbs, sayings, etc. (SECURITAS ALTERA)