the courts enter- tain appeals from final orde denying the return of papers, Perlman United States, 1918, 247 U.S. 7, 38 Ct. 417, 62 L.Ed. 950; Essgee Co. United States, 1923, 262 U.S. 151, 43 Ct. 514. 67 L.Ed. 917; Co-Bart Co. United States, s ra, or granting sue return, Burdeau McDowell, 1921