welcome mustafa. you're absolutely correct. the hand work done to produce stamps of days gone by were true works of art. i don't know about your country, but here in the us the art done to produce stamps could hardly be called art. the same is true of our coinage. the coins produced here today...
welcome to the forum. there are many videos on youtube that show how sharpening on a budget can be done. sam alfano, the forum lanmdlord sells an xcellent dvd on sharpening. quality engraving has been done for a few hundred years without a "sharpening system". it is still done this very day...
i'm not trying to be negative here, but if you can only spare an hour a day-- that's sort of like trying to become an olympic athlete training just 7 hours per week. how long can you afford to just practice? even if you're highly skilled right this minute, time is needed to build a customer...
it is good to see your care in doing such a project. that will be a family treasure for all time. i'd/we'd love to see this when finished. btw: the little ones are just adorable.
not sure what a banding wheel is. for me, yer setup looks a bit restrictive or cramped. certainly you can make this work. take a close look at your posture when seated at the scope. your back should be fairly straight. you must work in comfort or pain will surely visit. you're very wise to have...
taking a class is not mandatory. neither is the success of your engraving mandatory. if at all possible, a class is the way to go. there's tons of videos on the net-- free. also many are available by known professionals. welcome to the forum and good luck
take a serious look at your posture. that's probably the cause. if you're seated in an even slight strain, you'll surely feel it after a session. you gotta be comfy and relaxed. if any muscle group is under strain, pain will be yer reward.