Standard of one of the Baden-Durlach regiments (probable)
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
Red, with the coat of arms of Baden in the center, surmounted by a princely crown, surrounded by a white, red, and black decorated band. The whole is supported by two griffins (turned away from the flight side), and is placed on a trophy of flags, cannons, etc.; behind the crown a green foliage, behind which sun rays and a cloud formation. In the foreground lies diagonally on the flight side a cross-shaped order decoration. Parade side: instead of the coat of arms of Baden, the coat of arms of the Republic. The oval band around it is blue with: CONCORDIA RES PARVAE CRESCUNT, surmounted by a crown with three pearl-arched bars and a red cap. On both sides a walking lion. The whole is placed on a trophy of flags, drums, cannons, bullets, muskets, etc. In the background a foliage with sun rays and clouds as on the front.
Rijksmuseum, Amsterdam’s own description