This is a commemorative souvenir glass plate for the 35th Annual International Conference on Assessment Administration held September 7 to 10, 1969 in Denver, Colorado. The IAAO is a non-profit, educational and research association. It is a professional membership organization of government assessment officials and others interested in the administration of the property tax. It was founded in 1934 with more than 8000 members worldwide from governmental, business and academic communities. Glass plate measures 8-3/4" x 6-3/4" x 1/2" high. Gold lettering on black background. In excellent condition. Shipping is $7.95 to anywhere in the USA. International shipping rates apply.