Badge
From MiddleWiki
An heraldic emblem used to designate property of the person who has registered the badge with the SCA College of Arms, or which is worn by members of a household or guild. Not the same as arms, although most heraldic badges registered in the SCA are technically indistinguishable from arms.
Kingdom Badge
The Middle Kingdom Badge may be worn by all members of the populace. It is basically the Kingdom arms without the laurel wreath and crown. In heraldic terms: Argent, on a pale gules a dragon passant vert