Lot 30568 – 1894 (Jun 28) 1/2d Postal stationery card cancelled by large « ROYAL SHOW CAMBRIDGE » skeleton cds

1894 (Jun 28) 1/2d Postal stationery card cancelled by large « ROYAL SHOW CAMBRIDGE » skeleton cds, the first time that an official postmark was used at an agricultural show, fine, one of the rarest special event datestamps with very few examples of this scarce cancellation on cover/card, plus modern picture postcard showing the plan of the expo and the cancellation