The 'Big Leagues' are relative to their times.
1970's Big Leagues: SVT40 for $115.00CDN
1980's Big Leagues: MG08 mit Schlitten unt Ruckstokverstarker for a couple of days electrical work.
1990's Big Leagues: Johnson 1941 for $375.00CDN...sold later for $2,500USD
2000's Big Leagues: DEWAT Inglis Bren MkI with tripod, Fixed Line Sight, Fixed Line Sight Housing Frame, Spare barrel carrier, Bren Wallet, tool kit, and magazine box: $750.00CDN
2010's Big Leagues: 1942 CanadianCMP
30cwt for $1,800USD (it's a truck).
2020's Big Leagues: Civilian M.L.E. MkI* with 'Twin Zero" micrometer peep sight for $2,100.00USD, Civilian C.L.L.E. with Vickers Son and Maxim sights for $1,900USD, Fulton regulated No.1 MkIII with PH5A sight for $2,000USD, Home Guard Ross M10 for $4,250.00.