"I have measured again and they are all the same size and they are 15" x 20"
They had to be part of a series of some sort being they have the number there. Maybe something you could order or maybe a gift for members?"
"Cool pictures, how many do you have and are they all 20x15. Some look smaller. I couldn't find anything like yours on line but I did notice that 20x16s are selling for about $11.00 to $16.00 USD.
Couple hints about posting …"
Wondering about these posters I picked up today at auction. They are nice themes and very detailed. Anyone know where they are from? No signature etx except made in USA and the year. Also 4 digit number I. Bottom right corner
"Pretty good guessing, huh? 2009 is 5-6 years ago. I imagine that there were all sorts of makes and models, many of them home-made.
Looks like you found IAO's on site Search Engine. At top of page, black margin."