Lot 61755 – 1861 60c brown lilac on cover with San Carlos hs in blue

1861 60c brown lilac, a large margined example used on 20.12.1861 cover to Montevideo, tied by neat strike of SAN CARLOS double crossed oval blue; less than ten « Sun » covers are recorded with this cancellation, and this is undoubtedly one of finest available strikes; cert. Hernández Rocha (2008); ex Scott.