X-MEN #99 (1976) 1ST APPEARANCE OF BLACK TOM CASSADY VF-/VF
X-MEN #51 (1968) 1ST APPEARANCE OF SCOTT SUMMERS AS ERIK THE RED FN+/FNVF
X-MEN #27 (1966) FN/F+
X-MEN #119 (1979) VFNM/NM- SIGNED BY JOHN BYRNE BOTTOM OF FIRST PAGE
X-MEN #23 (1966) FN-/FN
X-MEN #30 (1967) FNVF/VF-
X-MEN #98 (1976) FVVF/VF-
X-MEN #100 (1976) FNVF/VF-
X-MEN #25 (1966) FN/VF
X-MEN #32 (1967) FN/VF
X-MEN #44 (1968) 1ST APP RED RAVEN VF-/VF
X-MEN #135 (1980) 2ND APPEARANCE OF JEAN GREY AS DARK PHOENIX NM-
X-MEN #134 (1980) 1ST APPEARANCE OF JEAN GREY AS DARK PHOENIX VFNM/NM-
X-MEN #121 (1979) VFNM
X-MEN #120 (1979) 1ST APPEARANCE OF ALPHA FLIGHT (SASQUATCH, SNOWBIRD, SHAMAN, NORTHSTAR & AURORA) VF+/VFNM
X-MEN #97 (1976) 1ST APPEARANCE OF LORNA DANE AS POLARIS; 1ST APPEARANCE OF LILANDRA & ERIK THE RED FVVF/VF-
X-MEN #66 (1970) FINAL ORIGINAL ISSUE UNTIL ISSUE #94 VF-/VF
X-MEN #63 (1969) NEAL ADAMS COVER AND ART VF/VF+
X-MEN #60 (1969) 1ST APPEARANCE OF SAURON FNVF/VF-
X-MEN #18 (1966) FN-/FN
X-MEN #55 (1969) ORIGIN OF ALEX SUMMERS (HAVOK) VF-/VF
X-MEN #54 (1969) 1ST APPEARANCE OF ALEX SUMMERS (HAVOK); 1ST APPEARANCE OF LIVING PHARAOH FN-/FN
X-MEN #16 (1966) VG/F
X-MEN #19 (1966) 1ST APPEARANCE OF MIMIC FN/FN+
X-MEN #21 (1966) VF-/VF
X-MEN #36 (1967) VF/VF+
X-MEN #26 (1966) VF/VF+
X-MEN #105 (1977) VF+/VFNM
X-MEN #65 (1970) NEAL ADAMS ART VF-/VF
X-MEN #58 (1969) 1ST FULL APPEARANCE OF ALEX SUMMERS AS HAVOK; ICONIC NEAL ADAMS COVER ART FNVF/VF-
X-MEN #95 (1975) DEATH OF THUNDERBIRD (JOHN PROUDSTAR) FNVF/VF-
X-MEN #133 (1980) 1ST SOLO WOLVERINE COVER; 1ST APPEARANCE OF SENATOR ROBERT KELLY NM-
X-MEN #130 (1980) 1ST APPEARANCE OF DAZZLER, BLACK KING AND JEAN GREY AS BLACK QUEEN VFNM/NM-
X-MEN #43 (1968) VF/VF+
X-MEN #45 (1968) VF+/VFNM
X-MEN #53 (1969) 1ST US WORK OF BARRY WINDSOR-SMITH VF+/VFNM
X-MEN #96 (1975) 1ST APPEARANCE OF MOIRA MACTAGGERT VF/VF+
X-MEN #64 (1970) 1ST APPEARANCE OF SUNFIRE VF/VF+
X-MEN #141 (1981) 1ST APPEARANCE OF DESTINY, AVALANCHE, PYRO & RACHEL SUMMERS NM-/NM
X-MEN #129 (1980) 1ST APPEARANCE OF KITTY PRIDE; 1ST APPEARANCE OF WHITE QUEEN (EMMA FROST) VFNM/NM-
X-MEN #49 (1968) 1ST APP OF POLARIS & MESMERO VF-/VF
X-MEN #35 (1967) 1ST APP OF CHANGELING (LATER KNOWN AS MORPH) FN+/FNVF
X-MEN #58 (1969) 1ST FULL APPEARANCE OF ALEX SUMMERS AS HAVOK VF-/VF
X-MEN #13 (1965) 2ND APPEARANCE OF THE JUGGERNAUT FNVF/VF-
X-MEN #50 (1968) ICONIC STERANKO COVER ART FNVF/VF-
X-MEN #101 (1976) 1ST APPEARANCE OF JEAN GREY AS PHOENIX VF-/VF
X-MEN #9 (1965) 1ST MEETING & BATTLE WITH THE AVENGERS; 1ST APPEARANCE OF LUCIFER (QUIST) VGFN/FN-
