Lot 51008 – 1891 10c on piece used on 9 Sept. 1891, the latest recorded use of a Popper stamp

1891 10c red, tied to piece by « San Sebastián » cds in September 1891. In addition to four covers, the only piece known used with this cancellation. Illustrated by Brian Moorhouse in his handbook on page 52, and described as: « This piece was illustrated by Eugene Klein in s short article in the ‘Collectors Club Philatelist’ Vol. XI No. 3 of July 1932 (…). The date would appear to be ‘9 SE 91’ with just a two letter month abbreviation. If this date is accurate then this would make it the latest recorded use of a Popper stamp« , ex Worthington.