Macintosh Type 1 fonts have a type of 'true' instead of 0x00010000.
There is a patch for ghostscript 5.50 at
It's pretty short. Surely it wouldn't be hard to add it to 5.10.
It'll be fixed in 6.2 (we'll be including 5.50 with fixes as soon as it gets
GPLed, which should be in 2 weeks or so).