FINAL SALE. Note that this is a sample sale product and might come with minor scratches, dents or imperfections. Discount codes can’t be used for sample sale pieces. A pair of hallmarked, solid sterling silver POW! and BAM! comic explosion earrings. These large stud earrings come in a mixed pair with sterling silver posts and ear nuts. From the Pop Art Collection. Start your day with a Pow! and a Bam!