Photos from September 2025:

Sale listing from August 2016:

Correspondence from and to Bill Briggs dated April 2006:

Correspondence from Dean & Diana Boyer dated June 11, 1990:

Sale listing from September 3, 1988:

Correspondence from Allen Heisel dated January 8, 1973:

Photos accompanying the letter from Allen Heisel dated January 8, 1973 (the photo are from circa-1960):

Correspondence from Allen Heisel dated December 28, 1972: