The usual rules apply.
Amazing Spiderman #238, CGC 9.4 News stand with White pages, Signature Series, signed by 3 Romitas: John Romita Sr, John Romita Jr, and Virginia Romita (Wife of Sr, mother of Jr).
Price = $750
For those unaware of Virgina Romita's comic background, she was Marvel's "traffic manager" for twenty years, ensuring artists and writers were on track and on time with their assignments, following up on creators whose work was late, and generally making sure that deadlines were met, in order to avoid fill-in's or reprint issues.
She is listed as "Traffic Manager" on the title page of ASM #238, hence the reason why I asked her to sign this book as well as her husband and son.
In addition to working as Marvel's "Traffic Manager", Virginia has appeared as herself in several Marvel Comics, including, but not limited to the following books:
X-Men Annual #7 (1983)
Saga of Crystar #5 (1983)
Spiderman #89 (1990)
Marvel Age #111 (1992)
Here's the pic of the book. Let me know if you need any more information