Erotic collectibles generally aren't showcased in the living room — they're something most people would only brag about to close friends. But if you know the market, they can be curiously lucrative.
Odds are that porn DVD you bought online will never appreciate — even 50 years from now. But the sex industry has a deep history in various forms of culture and at various stages of media. That has proved enticing to certain collectors.
Pinning down the value on this sort of memorabilia is a little trickier. (After all, there's no sort of price guide available.) Still, there is a market. And, like any collectible field, there are categories and particular items that draw particular attention.
In December 1953, Playboy, the mainstream men's magazine, hit the market, sowing the seeds for the emergence of today's adult industry.