Railroad companies were always in constant competition and they created thousands of advertising and promotional items from letter openers to pocket mirrors. In general, these are some of the more accessible items within the railroadiana category as items were produced in the thousands and given away to passengers as gifts. Condition is always important, but a new collector can get a great start with many items available for under $50. However, there are many rare and unique items that can command prices well into the thousands of dollars so knowing what you have is key.
Below is a listing of my pages on railroad advertising, signs, and promotional items: