Help ID this chalice?

[slakker]

Can anyone help ID this chalice? Got it this weekend and I really like it... so doing some research to ensure proper care; short of trial and error...

https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-prn1/v/908482_10151627121456754_1853055783_n.jpg?oh=72879 34ff8b9753d54dc83d43a776f4b&oe=516590B5&__gda__=1365680349_e38ca0b96dc8dec9960feb8c8e6755a 0

[Proteus]

A colony pic may be better. But I believe its a pectina

[slakker]

A bit better shot of the colony...

https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-ash3/66863_10151627964036754_1485546261_n.jpg