The strange public key which I'm sure has a solution to it, when I try to convert from compressed to uncompressed I get an error.
0400000000000000000000001dbc672b1fc4d076ca0a7ad5145686cb6b3cafce319f9cbcdfb95741014c1ee4c4d763f97f976c8deeb4e7017e03806508072ceef9
0300000000000000000000001dbc672b1fc4d076ca0a7ad5145686cb6b3cafce31
neither the uncompressed public key is valid nor the compressed one. Both pub keys are invalid and does not lie inside the curve