TULUNID: Khumarawayh, 884-896, AR dirham (3.25g), al-Rafiqa, AH273, A-665, citing the caliph al-Mu'tamid and the western heir to the caliphate al-Mufawwad; mint name without the letter alif, VF, RR. Tulunid dirhams of al-Rafiqa are much rarer than the gold dinars.
Estimate: 200-250 USD