I brought an old copy of jane eyre and inside were stamps from gibraltar, are they worth anything

by Melisa
(Welwyn garden city,herfordshire.)

.1. Ocean going liner, gibraltar, blue , has post mark on it.

.2.3.4.5.6.7.8.9.10.11.12.13. Southview from straits, green, postmarked.
14.15.16.17. Cargo and passenger wharves, black with hint of green.
18. Tunny fishing industry black and white , postmarked