1977 Sterling Arms Corp. catalog which measures 8-1/2" x 11" with 8 pages. CONTENT: The Sterling Models 300,302 and 400 on 4 pages with the 2 center pages featuring the Model 450,.45 ACP pistol(the Model 450 was not put into production).ALSO a single sheet Retail Price list which does list the Model 450 @ $265.00.ALSO the original mailing envelope from Sterling Arms. Excellent As-New condition.