It appears to have possibly been a "pig in a poke."
https://en.m.wikipedia.org/wiki/Pig_in_a_poke
Verily, verily, I say unto thee. Bewarest thou of used model locomotives, lest thee encounter the dreaded "pig in a poke"
https://en.m.wikipedia.org/wiki/Pig_in_a_poke
Verily, verily, I say unto thee. Bewarest thou of used model locomotives, lest thee encounter the dreaded "pig in a poke"