Caboose 11661 (Frisco 1431) by Frisco.org Posted on February 4, 2018 Caboose 11661 (Frisco 1431) Caboose 11661 (Frisco 1431) at Enid, Oklahoma on April 29, 1984 (Marshall Higgins). This entry was posted in BN Patched, RT Collection and tagged 11661, 1431, Caboose. Bookmark the permalink.