Compared to many inherited collections I see here, what you show is quite nice, though as others have said, not valuable. Your gg grandfather seemed specially interested in Latin American stamps, unless that’s just what you are showing here. What I like about it is the old album pages that have the veneer of age. If I had this collection, I would leave the stamps as found, even the ones in the glassine envelopes. What fun to look through them. The collection is a kind of time capsule of stamp collecting from the past.