The PTP model is a platinum plated handmade sterling silver flute which is manufactured exclusively by Muramatsu. Its tonal characteristics are virtually indistinguishable from those of a solid platinum flute.It reproduces the richness of tonal quality unique to the platinum flute and allows the performer to be expressive in every range from the very softest to loudest dynamic. This unique flute has the same deep luster finish as that of a solid platinum flute.