Please QSL cards send via LOTW or Direct.

Furthermore you can check QSL Cards Status in my site.

Callsign	Locator
SV5FRI	KM36wo
SV1/SV5FRI	KM17vv

QSL address for SV5FRI and SV1/SV5FRI is:

My Address via direct QSL you can find on QRZ.com or HamQTH