The value of this particular guitar can vary depending on its condition, age, and other factors. Vintage Applause guitars are known for their quality and craftsmanship, and can be quite valuable to collectors.
Here's a general estimate of what a Applause guitar ser. 026834 model aa24-1 might be worth:
Good condition: $250 to $400
Very good condition: $450 to $700
Excellent condition: $700 to $900
Remember, the actual value of a guitar can be influenced by a variety of factors, such as the specific model, year of production, condition, rarity, and current market demand. It's always a good idea to get an appraisal from a professional luthier or guitar dealer to determine the exact value of a particular instrument.