Fantastic Four #169 (Pt 9) Invisible Woman and Fantastic Four #70--Plus Marvel's Greatest Comics!

1968: Fantastic Four #70  Jack Kirby
 with touch-ups on Sue by John Romita Sr. 

1976: Fantastic Four #169  Rich Buckler

John Romita Sr. redrew Sue's hips and legs on 1968's Fantastic Four #70 cover. Jack Kirby's original drawing of Sue is shown on the cover of 1974's Marvel's Greatest Comics #53. 

1974: Marvel's Greatest Comics #53 
Just Jack!
Kirby's cover 

                                                                 with an unaltered Sue

Fantastic Four #151 (Pt 4) Ben Is Bustin' Out All Over

Fantastic Four #151 (1974) Rich Buckler

Fantastic Four #68 (1967) Jack Kirby

Back in 1974, Marvel's Greatest Comics #51, which reprinted FF #68,  was on sale at the same time as Fantastic Four #150--so, about a month prior to FF #151 hitting the stands. I wonder, did readers of both mags connect the dots and notice the source panel?

At any rate, fans seemed to have really enjoyed the art on this mid-70s FF run. The Buckler-Sinnott Kirbyesque art was often lauded in the FF letter columns; and as one letter writer put it in Fantastic Four #164: "It's Rich Buckler's tribute to the style and excellence of the F.F. in their former day of greatness." 

Fantastic Four #143 (Pt 3) Dr. Doom's Terrible Triumph

Fantastic Four #143 (1974) Rich Buckler/Frank Giacoia

Fantastic Four #64 (1967) Jack Kirby/Joe Sinnott

And sure enough,  #143's Reed and Medusa are patterned after #64's Reed and Sue! 

Fantastic Four #143

Fantastic Four #64

Fun fact: Marvel's Greatest Comics #47 reprinted FF #64 with the Kirby cover slightly tweaked by John Romita Sr. and was on sale about a month prior to FF#143. 

Honorable mention: Fantastic Four #14's cover 😉

Fantastic Four #149 (Pt 2) Sue Richards Splash

Continuing with the opening splash of Fantastic Four #149: we saw the inspiration for Namor,  now let's check out Sue. Here, the positioning of her torso, arms and legs immediately reminded me of ...

Fantastic Four #149 (1974) Rich Buckler

...this image of Sue.  

Fantastic Four #67 (1967) Jack Kirby

It's from this classic Kirby cover. 

Note: This Kirby cover was also on view back in 1974 courtesy of Marvel's Greatest Comics #50, which contained a reprint of #67. The bimonthly MGC #50 hit the stands a month before FF #149.