No. The sim card only stores the contacts, your phone number, and carrier information. Doesn't look like there's a memory card slot, so there are 2 options.
Simon Says Stamp is a small, fairly new durable goods wholesaler in Columbus, Ohio. It opened in 2013 and now has an estimated $130,000 in yearly revenue and approximately 2 employees.
Answer Wiki. Technically, a postcard stamp is still a mail stamp, but I think you meant to ask about the postcard stamp vs. the first class letter stamp. It's also worth knowing that the first class stamp covers the first ounce only. Additional ounces are a bit less per ounce.