Envelope with pair 10 aur Oval type Icelandic issue sent locally within Copenhagen 30 November 1899. The pair 10 aur oval perforation 12¾ cancelled with cds ‘KJØBENHAVN KKB 30.11.99.3-4E’ framed framed with blue crayon and ‘O=’, charged double 4 øre Danish local rate, due 8 øre by addressee. The letter is sent by the company Thor. E. Tulinius company in Copenhagen, likely the letter was intended to be sent from Iceland, but did not happen, but sent from Copenhagen instead. A very unusual cover with ‘fraudulent’ use of the Icelandic stamps in Copenhagen.