Lot 20947 – 1850-1930s old time collection on pages incl. the colour error 1855 2R on the paper of the 1 Real

1850-1930s old time collection on pages incl. the colour error 1855 2R on the paper of the 1 Real, when one cliché was put into the 1 Real sheet with BPP cert. which states « one of the rarest Spanish stamps », plus many better classics from the 1860s-70s (several with cds), nice section of back-of-the-book, etc.