Edwardian postcard by F.G.O. Stuart of Presentation of New Colours by H.M. The Queen

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London Queen Victoria Royal Family Unknown Location

Number: 26
Title: Presentation of New Colours by H.M. The Queen
Details: I assumed that this would be at Horseguards but none of the buildings seem to match. Please let me know if you know the location.
Print origin: Hudson & Kearns
Print type: Screen Block
Print tone: Black & White