The left one looks like the 48 cents value of 1863, but with the perforations cut off. The two cents value is from 1860, but has been just as badly treated. There are some variants of both, but I doubt these damaged pieces will ever amount to much.
https://colnect.com/en/stamps/face_values/country/349-British_Guiana
They'd make good space fillers, though.
re: Help Identify
The left one looks like the 48 cents value of 1863, but with the perforations cut off. The two cents value is from 1860, but has been just as badly treated. There are some variants of both, but I doubt these damaged pieces will ever amount to much.
re: Help Identify
https://colnect.com/en/stamps/face_values/country/349-British_Guiana
re: Help Identify
They'd make good space fillers, though.