The following information is gathered from the Blue Book of Gun Values. There are about two pages of listings for Breda Meccanica Bresciiana semi-auto loading shotguns includein the following: GOLD SERIES, STANDARD, GRADE 1, GRADE 2, GRADE 3, MAGNUM MODEL, ALTIR SPECIAL,ALTIR, ASTRO,ASTROLUX,ERMRS SERIES (2000/2000L), MIRA, GRIZZLY, ARIES 2, ECHO and XANTHOS. Their values range fro a high (100%) of $1,050 to a low (60%) of $240 depending on the model. The maker is located in Bresica,Italy and there is no current importer listed. The last importer listed is or was Legacy Sports International located in Reno,Nevada who imported in 2007 to 2008. There is an address listed for the manufacturer in Italy which is:
BREDA MECCANICA BRESCIANA
Via Lunga 2
I-25126 Brescia ITALY
Fax No. 011-39-030-3791-330
You might try calling telephone information in Reno,Nevada and see if there is a listing for Legacy Sports International. Otherwise, you'll have to try to contact the maker for a manual.