From www.rarebeatles.com

 
(Note that the values given are for mint, sealed, or unique copies. 
Values for copies in lesser grades would be much lower).
1976 Value 1996 Value
1. The Beatles & Frank Ifield ("Portrait" cover) stereo sealed $600.00 $20000.00
2. The Beatles & Frank Ifield ("Portrait" cover) stereo mint- $350.00 $7000.00
3. Introducing the Beatles, blank back mono mint- $125.00 $1200.00
4. Introducing the Beatles, brackets label stereo mint- $150.00 $1500.00
5. Songs, Pictures, and Stories of the Beatles (VJ LP) mono sealed $150.00 $2500.00
6. Beatleviews 66, interview LP mono mint $10.00 $150.00
7. Hear the Beatles Tell All mono sealed $150.00 $1000.00
8. Slippin' and Slidin', promo 45, Apple 1883 mono mint + $45.00 $300.00
9. Magical Mystery Tour, 16mm film reel stereo mint- $220.00 $400.00
10. Ram radio spots, original EMI 10" master mono mint $100.00 $1500.00
11. "Yesterday"... And Today, 1st state butcher mono sealed $300.00 $6000.00
12. Beatles vs Four Seasons stereo mint $300.00 $2000.00
13. Beatles 65, original Capitol black label mono sealed $35.00 $475.00
14. set of mono & stereo Butcher slicks (both) mint $750.00 $3000.00
15. entire set of all 28 Capitol and Apple Beatles singles,
WITH sleeves, including "Can't Buy Me Love" 
(set) mint- $300.00 $2500.00
16. Ain't She Sweet, Atco LP stereo mint- $40.00 $150.00
17. "Ringo" album w/long version of "Six O' Clock" stereo mint- $35.00 $150.00
18. Souvenir of Their Visit, VJ EP mono mint $25.00 $175.00
19. John Lennon "Roots" album stereo mint $70.00 $1500.00
20. The "Best of Tobe Milo Records" LP (both) sealed $8.00 $400.00
21. Let It Be Dialogue, one sided interview stereo mint $8.00 $75.00
22. Wings Over America, 3 LP test pressing stereo mint $100.00 $250.00
23. 4 x 4 Capitol EP 5365 stereo mint- $30.00 $250.00
24. Something New, original Capitol black label mono sealed $30.00 $550.00
25. "Yesterday"...And Today, pasteover mono mint- $250.00 $1000.00
26. Meet the Beatles, set of 12 different variations,
including record club
both mint- $125.00 $600.00
27. The Early Beatles, original Capitol black label mono shrink $35.00 $200.00
28. Let It Be, boxed with book, UK stereo mint- $100.00 $250.00
29. Beatle solo 45s, complete set of all known variations,
90 different in all
both mint- $450.00 $1200.00
30. Yellow Submarine, original Apple stereo sealed $7.00 $100.00
An Increase of more than 1100% ! Totals: $4,898 $56,375