The main device (symbol) in the Mecquenem blazon is the sceptre. The two main tinctures (colors) are argent and azure.
Argent is the heraldic metal Silver and is usually shown as very pure white. It is also known more poetically as pearl, moon (or luna) 1Understanding Signs & Symbols – Heraldry, S. Oliver & G. Croton, Quantum, London, 2013, P53. In a sketch or drawing it is represented by plain, unmarked paper 2A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1847, P11.
The bright, strong blue color in Heraldry is known in English as azure, and similarly in other European languages – azul in Spanish, azurro in Italian and azur in French. The word has its roots in the Arabic word lazura, also the source of the name of the precious stone lapis lazuli 3A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Azure. Despite this, those heralds who liked to associate colours with jewels chose instead to describe blue as Sapphire. According to Wade, the use of this colour symbolises “Loyalty and Truth” 4The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P36.
The Sceptre is to be regarded as the symbol of “Justice”, according to Wade, as it is held in this regard in general usage. 5The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P94 It is not often found alone but is sometimes held by human charges or exists in conjunction with a sword, the two crossed in saltire. 6A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Sceptre