Naval buttons i.d please

[ott]

i think these buttons are as follows but would really like more opinions if you don`t mind.

picture 1 . Royal Naval Hospitals tunic button 1820-49

picture 2 . Royal Naval Surgeon or Physicians (at sea) 1795-1805

picture 3 . British or Canadian ? merchant Navy ?

also what value would you put on each ?
thank you in advance

 

[duggap]

I just looked thru my button book and those look very much like the early 1813 us navy buttons. I will be interested to see what some of the other folks here think. Regards.

 

[Bryanhashemi]

3rd pic looks British from American revolution era

 

[HutSiteDigger]

You have correctly ID them.. the first one it is a Royal Naval Hospitals tunic button (with no back-mark and no crown is from 1820-1849) the 2nd one is a Royal Naval Surgeon that was used from 1805-1825.