The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Zermatt. Gornergletscher u. Unter Theodulgletscher. Castor u. Pollux. Breithorn. Kl. Matterhorn. E. Gyger
6895. Zermatt. Gornergrat. Lyskamm. Castor Pollux. E. Gyger
6148. Zermatt. Gornergraf. Castor Pollux. E. Gyger
Swilling. Castor Pollux. O. Sartori
Bodleian Library. Oxford. An Egyptian boys letter to his father in Greek. 2nd or 3rd cent. A. Cotswold Collotype Company Limited
Ankara Arkeoloji Muzesi. Standard. Bronze and Silver. 2nd. Half of 3rd. mill. B. C. Donmez Offset. Serie 1. 3
Rosenlaui. Kingspitz. Castor und Pollux. R. Wurgler. 1959
Gornergrat. Castor und Pollux. O. Hari
