1881: Quetzal 10 c. gray-violet and green, used on cover, from Cobàn to Berlin, dated 24 May 1882, tied by the town datestamp in dark purple black, endorsed "via Panama Southampton", to reverse "Correos Guatemala" pink dated duplex 27 May 1882 and black circle 28 June, tonning in places, diagonal corner fold not affecting the stamp, addessed to 'Freiherr von Türkheim' owner of the famous Baden error of colour sold to German Reichspostmuseum which is today a key item on display in the Museum of Post and Communication in Berlin, an interesting cover
