What are some of the rarest pieces of Cardfight!! Vanguard memorabilia that collectors seek, and what makes them particularly valuable or sought after?
How does the value of Cardfight!! Vanguard trading cards compare to other types of memorabilia from the franchise, such as figures, posters, or limited edition items?
Are there any specific events or promotions that have historically offered exclusive Cardfight!! Vanguard memorabilia, and how has this impacted their desirability among fans and collectors?
2. **How did the design and use of pocket watches evolve from the 16th century to the present day, including their transition from a practical timekeeping tool to a collector's item?
3. **What factors should one consider when determining the value and authenticity of an antique pocket watch, and are there specific brands or makers that are particularly sought after by collectors?