Can anyone identify this LOPI insert?

[Doindia]

Assuming it’s an older d/c model but my chimney guy is bringing me one and I’d like to read the specs on it. He gave me the LxW but couldn’t find a model plate on it. The only thing I know about it is that it has an 8 inch flue and it’s 29 inches wide by 21 inches tall. Thanks in advance for any help.

 

[begreen]

Hard to tell, there were several model changes between 1983 and 1987. The baffle design and firebrick pattern are clues but we need inside pictures for that. Does it have secondary tubes?

 

[Doindia]

Thank you for your reply. I’ll have the stove in my possession in the next 2 weeks and I’ll get more pictures to help assist in ID