Postcards can be a reseller's dream; many sellers buy thousands at a time then spend entire days photographing and listing them for sale on eBay. Sources of collectible postcards are plentiful; namely estate...
ASK BEFORE BUYING! Is that "mint" VINTAGE GINNY or GINGER DOLL you purchased authentic or is it a potpourri of vintage and reproduction pieces? Is that MUFFIE doll with the perfect hair wearing her original...
Maybe you wore a Casio in high school and remembered it fondly. You had moved on to a more 'upscale' watch but the Casio was always there, just waiting for a new battery or band to be ready for service again....