Reference for Rosh Hashanah 48:14
<big><strong>מתני׳</strong></big> מעשה שבאו שנים ואמרו ראינוהו שחרית במזרח
as it has been taught: 'A ring of which the seal projects must not be worn on the finger, but it i permitted to sign with it. If the seal is sunk in, it is permitted to wear it but forbidden to sign with it'. Bu does it matter if we do arouse suspicion? Was there not a synagogue which 'moved and settled' in Nehardea<span class="x" onmousemove="('comment',' Rashi states that according to a legend this synagogue was originally built by King Jeconiah with stones brought from Jerusalem; v. Meg., Sonc. ed. p. 175, n. 5.');"><sup>17</sup></span> and in it was a statue [of a king] and Rab and Samuel and the father of Samuel used to go in there to pray, and were not afraid of arousing suspicion? - Where a whole body of persons is concerned it is different. But Rabban Gamaliel was an individual? - Since he was the Nasi,<span class="x" onmousemove="('comment',' Lit., 'the Prince', the President of the Sanhedrin.');"><sup>18</sup></span> a large company was always with him. If you like I can say that it was [drawn] in sections,<span class="x" onmousemove="('comment',' And so was not a complete likeness.');"><sup>19</sup></span> or if you like I can say that he did i for purposes of study, and it is written, Thou shalt not learn to do,<span class="x" onmousemove="('comment',' Deut. XVIII, 9.');"><sup>20</sup></span> which implies that you may learn to understand and to teach. <big><b>MISHNAH: </b></big>ON ONE OCCASION TWO WITNESSES CAME AND SAID, WE SAW IT IN THE MORNING IN THE EAST