These Betts Medals are very popular and widely collected. In most cases, the name and address of the merchant appears on a single punch made for this purpose. These manufactured punches leave a very characteristic constant incuse impression on every coin, and so are usually held in higher value than counterstamps made by individual letter punches, since the latter could have been manufactured by anyone at any time. The swastika is found together with other symbols of good luck in stock reverses on many merchant tokens and commemorative medals such as used to celebrate the 1932 Washington's birthday centennial. KKK tokens relate to the Ku Klux Klan and its many activities over the years.
Real tokens look just other tokens of the same period and can look brand new.
In general, any item of exonumia that looks aged and earthy should be suspect. Typical elongated coins where those sold at world fairs and expos, such as the World Columbian Exposition of 1893. Encased coins are coins that have been placed within an encasing frame usually made of aluminum and die struck with a merchant advertisement or to commemorate a fair or expo. The frame holding the coins usually has good luck symbols on the reverse. Many of these were pierced and worn as badges.