here's a short list of rare 45's (there are 1000s) that i very much doubt anyone on this entire site, let alone the world, own:
Sex Pistols - God Save The Queen (1977) (only 9 survived out of the 25k copies), almost priceless, but have been known to sell for $20,000 USD+
The Beatles - Love Me Do (1962) (only 250 copies made), worth $15,000+
The Rolling Stones - Street Fighting Man (1968) (the copies WITH picture sleeve sell for $18,000+)
Madonna - Erotica (1992) (if picture disc has her sucking on toes, it's worth $3,000+)
The Quarrymen - That'll Be The Day (1958) (only 25 copies made), worth $10,000+
Nirvana - Love Buzz b/w Big Cheese (worth $3,000+)
Brute Force - King of Fu (unknown value)
Gorilla Biscuits - Gorilla Biscuits ($100~300+)
Wings - Love is Strange ($100+)