Sub-Mariner #37 VG Signed w/COA Roy Thomas 1971 Marvel Comics

This is a vintage 1971 Sub-Mariner #37 signed by Roy Thomas w/COA-certificate of authenticity (size is approx: 5 x 8 inches), complete and published by Marvel Comics.  The comic would grade a Very Good condition with complete Off-White interior pages.

View High Resolution Scans of Front and Back Cover Here.