Set #2350 is pictured in the 1979-1986 catalogs. This set only has the crown piece; whereas, set #3905 also has a broadband. The catalog photos show the same photo and description for both sets.
From 1983-1984, JC Penney #671-0933 advertised the #212 Mahogany Bay Arabian Stallion with the #2350 Forward Seat English Saddle and Tack Set.
In 1983-1984, Sears advertised #68 Legionario with the Forward Seat English Saddle and Tack Set #2350. Sears #49C20122.