Mustanaamio was a magazine in Finland published by Semic Press.
It's a long lived Comic book series (engl. Phantom) which is widely recognized by its high quality sidematerials in nearly each issue
since the beginning (Johnny Hazard, Buzz Sawyer etc.). Black and white. Prices goes from 5 to 10 euros.
Prinssi Rohkea is printed in the magazines in 1977 & 1978 in the following numbers:
1977: 26 Titlepage: Prinssi Rohkea ja hänen ensimmäinen seikkailunsa. Compiling original pages 1 – 20.
1978: 1 Titlepage: Prinssi Rohkea kuningas Arthurin hovissa. Compiling original pages 21 – 31.
1978: 2 No title page. Compiling original pages 32 – 43.