Mastro offered these four signed 1952 Topps monsters from the Mark Friedland Autographed Card Collection in their August 2006 catalog.
The complete collection was described to have been amassed in just a year and a half, as Mark acquired several prominent private holdings, like the McAllister Collection. Most of the collection’s 10k+ cards were authenticated by PSA/DNA, with the remainder by SGC and James Spence.
The next lot in the auction, 1103, was for 210 different signed 1952 Topps cards!